• Engineers who are employed by the Indian government and are classified as Class-I officers are included in the Engineering Services Exam. 
  • The Indian Railways, Power, Telecommunications, Central Water Engineering, Défense Service of Engineers, Central Engineering Service, etc. are only a few examples of the enormous portion of the public sector economy that they oversee. 
  • The type of work these bureaucrats do is mostly determined by the engineering branch they are in and the service or cadre they are hired into. The advancement of the career is smooth, leading to high regard. 
  • The Asst. Executive Engineer position is the first one available, while the Chairman/Managing Director position is where the hierarchy comes to a conclusion.
  • The Union Public Services Commission (UPSC) holds a combined competitive examination to select candidates for the Engineering Services Exam. 
  • An interview is conducted for the personality test after the written portion of the exam. The following categories are used to recruit competent applicants:
    • Civil Engineering
    • Mechanical Engineering
    • Electrical engineering
    • Electronics & Telecommunication Engineering

What is the IES Exam?

  • Engineers who are employed by the Indian government and are classified as Class-I officers make up the Indian Engineering Services (IES) or Engineering Services Examination (ESE). 
  • They are in charge of a sizable portion of the public sector economy, which includes, among others, Indian Railways, Power, Telecommunications, Central Water Engineering, and the Engineers’ Service for the Defense.
  • The type of work these bureaucrats do is mostly determined by the engineering branch they are in and the service or cadre they are hired into. The advancement of the career is smooth, leading to high regard. 
  • The Asst. Executive Engineer position is the first one available, while the Chairman/Managing Director position is where the hierarchy comes to a conclusion.

IES Examination Pattern

Section I

  • Candidates who earn the minimum required scores in the Stage-I Engineering Services (Preliminary/Stage-I) and Stage-II Engineering Services (Main/Stage-II) Examinations, as determined at the Commission’s discretion, will be contacted by them for the Stage-III (Personality Test).
  • About twice as many applicants as openings to be filled will be called for a personality test. A 200-point Personality Test will be administered (with no minimum qualifying marks).
  • The applicants’ ultimate ranking would be based on their performance in Stage-I: (Preliminary/Stage-I) Examination, Stage-II: (Main/Stage-II Examination), and Stage-III (Personality Test). 
  • Candidates will be assigned to the various services based on their exam scores and the services/posts they expressed a preference for.
  • Candidates are urged to carefully study the Appendix-specific III’s instructions to candidates for conventional type tests and objective type tests (Part A and Part B).
  • The candidate’s leadership potential, initiative, intellectual curiosity, tact and other social skills, mental and physical stamina, practical application skills, and moral integrity will all be specifically evaluated during the personality test.
  • Responses to conventional papers must be made in English. Only English will be used for the question paper.

The examination shall be conducted according to the following plan:

  1. Stage-I: Engineering Services (Preliminary/Stage-I) Examination (Objective Type Papers) for the selection of candidates for the Stage-II: Engineering Services (Main/Stage-II) Examination;
  2. Stage-II: Engineering Services (Main/Stage-II) Examination (Conventional Type Papers) and
  3. Stage-III: Personality Test

2. The Engineering Services (Preliminary/Stage-I) 

  • Based on the minimum qualifying marks in the General Studies and Engineering Aptitude Paper (Paper-I) and the Engineering Discipline Specific Paper (Paper-II) of the Preliminary/Stage-I Examination, the Commission will compile a list of candidates who are qualified for the Engineering Services (Main/Stage-II) Examination.
  • There will be roughly six to seven times as many applicants admitted to the Main/Stage-II Examination as there are positions to be filled through it in a given year.
  • A total of 500 points will be awarded for the exam, which consists of two objective type (multiple choice) question exams (Paper 1: 200 points, Paper II: 300 points).
  • Only those candidates will be entitled for admission to the Main/Stage-II Examination of that year if they are declared by the Commission to have qualified in the Preliminary/Stage-I Examination for that year, providing they are otherwise eligible for admission to the Main/Stage-II Examination.
  • The applicants who are pronounced qualified for admission to the Main/Stage-II Examination will have their Preliminary/Stage-I Examination marks taken into account for calculating their final order of merit.
  • For incorrect answers submitted by a candidate on the objective type question papers, there will be a penalty (Negative Marking).
    • There are four possible responses to each question. One-third (1/3) of the marks allotted to each question for which the candidate provided a false response will be subtracted as a penalty.
    • Even if one of the candidates’ replies turns out to be accurate, the candidate will still receive the same punishment as before if they provide more than one response to a question.
    • There is no penalty if a candidate leaves a question unanswered, i.e., if no response is provided.
  • Two conventional-style papers in the engineering discipline-specific portion of the Engineering Services (Main/Stage-II) Examination will have a three-hour time limit and a maximum score of 600. (300 Marks in each paper).
  • The Stage III will include a 200-point personality test.

Section II

1. Stage-I(Preliminary/Stage-I) Examination: –

The Examination shall comprise of two papers

Category-I Civil Engineering
SubjectDurationMax. Marks
Paper-I (General Studies and Engineering Aptitude)2 hrs.200
Paper-II (Civil Engineering)3 hrs300
Total 500
Category-II Mechanical Engineering
SubjectDurationMax. Marks
Paper-I (General Studies and Engineering Aptitude)2 hrs.200
Paper-II (Mechanical Engineering)3 hrs300
Total 500
Category-III Electrical Engineering
SubjectDurationMax. Marks
Paper-I (General Studies and Engineering Aptitude)2 hrs.200
Paper-II (Electrical Engineering)3 hrs300
Total 500
Category-IV Electronics and Telecommunication  Engineering
SubjectDurationMax. Marks
Paper-I (General Studies and Engineering Aptitude)2 hrs.200
Paper-II (Electronics and Telecommunication Engineering)3 hrs300
Total 500

2. Stage-II(Main/Stage-II) Examination: –

IES Exam: The Examination shall comprise of two papers

SubjectDurationMax. Marks
Category-I Civil Engineering  
Paper-I ( Civil Engineering)3 hrs.300
Paper-II (Civil Engineering)3 hrs300
Total 600
SubjectDurationMax. Marks
Category-II Mechanical Engineering  
Paper-I (Mechanical Engineering)3 hrs.300
Paper-II (Mechanical Engineering)3 hrs300
Total 600
SubjectDurationMax. Marks
Category-III Electrical Engineering  
Paper-I (Electrical Engineering)3 hrs.300
Paper-II (Electrical Engineering)3 hrs300
Total 600
SubjectDurationMax. Marks
Category-IV Electronics & Telecommunication Engineering 
Paper-I (Electronics and Telecommunication Engineering)3 hrs.300
Paper-II (Electronics and Telecommunication Engineering)3 hrs300
Total 600

3. Stage-III(Personality Test) – 200 Marks.

IES Syllabus

The General Studies and Engineering Aptitude (Preliminary Stage-I Examination) paper quality will be on par with what may be anticipated of an engineering or science graduate. The other topic papers will roughly meet the standards of an engineering degree examination given by an Indian university. In none of the subjects will there be a practical exam.

General Studies and Engineering Aptitude (Stage-I, Paper I, Objective Type, Common to All Candidates), Preliminary Examination

1. Current issues of national and international importance relating to social, economic and industrial development

2. Engineering Aptitude covering Logical reasoning and Analytical ability

3. Engineering Mathematics and Numerical Analysis

4. General Principles of Design, Drawing, Importance of Safety

5. Standards and Quality practices in production, construction, maintenance and services

6. Basics of Energy and Environment: Conservation, environmental pollution and degradation, Climate Change, Environmental impact assessment

7. Basics of Project Management

8. Basics of Material Science and Engineering

9. Information and Communication Technologies (ICT) based tools and their applications in Engineering such as networking, e-governance and technology-based education.

10. Ethics and values in Engineering profession.

  • The General Studies and Engineering Aptitude exam will test your general knowledge of pertinent subjects and your ability to apply that knowledge in engineering-related situations. 
  • All ten of the aforementioned subjects will be covered in the questions. Each Topic may receive anywhere between 5% and 15% of the paper’s overall points.

Indian Engineering Services Exam 2022 

  • The Engineering Services Examination (ESE), also known as the Indian Engineering Services Exam 2022, is administered by the Union Public Service Commission (UPSC). 
  • Through the preliminary and main examinations, the Commission will choose the candidates for the positions. Between September 22, 2021 and October 12, 2021, at 6 p.m., applicants may complete an online application before the link is deactivated. 
  • The Engineering Services Prelims exam will take place on February 20, 2022, while the Engineering Services Main test will take place on June 26, 2022.
Civil Engineering
1. Building Materials:
Stone, Lime, Glass, Plastics, Steel, FRP, Ceramics, Aluminum, Fly Ash, Basic Admixtures, Timber, Bricks and Aggregates: Classification, properties and selection criteria;
Cement: Types, Composition, Properties, Uses, Specifications and various Tests; Lime & Cement Mortars and Concrete: Properties and various Tests; Design of Concrete Mixes: Proportioning of aggregates and methods of mix design.
2. Solid Mechanics:
Elastic constants, Stress, plane stress, Strains, plane strain, Mohr’s circle of stress and strain, Elastic theories of failure, Principal Stresses, Bending, Shear and Torsion.
3.Structural Analysis:
Basics of strength of materials, Types of stresses and strains, Bending moments and shear force, concept of bending and shear stresses; Analysis of determinate and indeterminate structures; Trusses, beams, plane frames; Rolling loads, Influence Lines, Unit load method & other methods; Free and Forced vibrations of single degree and multi degree freedom system; Suspended Cables; Concepts and use of Computer Aided Design.
4. Design of Steel Structures:
Principles of Working Stress methods, Design of tension and compression members, Design of beams and beam column connections, built-up sections, Girders, Industrial roofs, Principles of Ultimate load design.
5. Design of Concrete and Masonry structures:
Limit state design for bending, shear, axial compression and combined forces; Design of beams, Slabs, Lintels, Foundations, Retaining walls, Tanks, Staircases; Principles of pre-stressed concrete design including materials and methods; Earthquake resistant design of structures; Design of Masonry Structure.
6. Construction Practice, Planning and Management:
Construction – Planning, Equipment, Site investigation and Management including Estimation with latest project management tools and network analysis for different Types of works; Analysis of Rates of various types of works; Tendering Process and Contract Management, Quality Control, Productivity, Operation Cost; Land acquisition; Labour safety and welfare.
Flow of Fluids, Hydraulic Machines and Hydro Power:(a) Fluid Mechanics, Open Channel Flow, Pipe Flow:
Fluid properties; Dimensional Analysis and Modeling; Fluid dynamics including flow kinematics and measurements; Flow net; Viscosity, Boundary layer and control, Drag, Lift, Principles in open channel flow, Flow controls. Hydraulic jump; Surges; Pipe networks.
(b) Hydraulic Machines and Hydro power –
Various pumps, Air vessels, Hydraulic turbines – types, classifications & performance parameters; Power house – classification and layout, storage, pondage, control of supply.
2. Hydrology and Water Resources Engineering:
Hydrological cycle, Ground water hydrology, Well hydrology and related data analysis; Streams and their gauging; River morphology; Flood, drought and their management; Capacity of Reservoirs.
Water Resources Engineering : Multipurpose uses of Water, River basins and their potential; Irrigation systems, water demand assessment; Resources – storages and their yields; Water logging, canal and drainage design, Gravity dams, falls, weirs, Energy dissipaters, barrage Distribution works, Cross drainage works and head-works and their design; Concepts in canal design, construction & maintenance; River training, measurement and analysis of rainfall.
3. Environmental Engineering:
(a) Water Supply Engineering:
Sources, Estimation, quality standards and testing of water and their treatment; Rural, Institutional and industrial water supply; Physical, chemical and biological characteristics and sources of water, Pollutants in water and its effects, Estimation of water demand; Drinking water Standards, Water Treatment Plants, Water distribution networks.
(b) Waste Water Engineering:
Planning & design of domestic waste water, sewage collection and disposal; Plumbing Systems. Components and layout of sewerage system; Planning & design of Domestic Waste-water disposal system; Sludge management including treatment, disposal and re-use of treated effluents; Industrial waste waters and Effluent Treatment Plants including institutional and industrial sewage management.
(c) Solid Waste Management:
Sources & classification of solid wastes along with planning & design of its management system; Disposal system, Beneficial aspects of wastes and Utilization by Civil Engineers.
(d) Air, Noise pollution and Ecology:
Concepts & general methodology.
4. Geo-technical Engineering and Foundation Engineering :
(a) Geo-technical Engineering:
Soil exploration – planning & methods, Properties of soil, classification, various tests and interrelationships; Permeability & Seepage, Compressibility, consolidation and Shearing resistance, Earth pressure theories and stress distribution in soil; Properties and uses of geo-synthetics.
(b)Foundation Engineering:
Types of foundations & selection criteria, bearing capacity, settlement analysis, design and testing of shallow & deep foundations; Slope stability analysis, Earthen embankments, Dams and Earth retaining structures: types, analysis and design, Principles of ground modifications.
5. Surveying and Geology:
(a) Surveying:
Classification of surveys, various methodologies, instruments & analysis of measurement of distances, elevation and directions; Field astronomy, Global Positioning System; Map preparation; Photogrammetry; Remote sensing concepts; Survey Layout for culverts, canals, bridges, road/railway alignment and buildings, Setting out of Curves.
(b) Geology:
Basic knowledge of Engineering geology & its application in projects.
6. Transportation Engineering:
Highways – Planning & construction methodology, Alignment and geometric design; Traffic Surveys and Controls; Principles of Flexible and Rigid pavements design.Tunneling – Alignment, methods of construction, disposal of muck, drainage, lighting and ventilation.Railways Systems – Terminology, Planning, designs and maintenance practices; track modernization. Harbours – Terminology, layouts and planning.Airports – Layout, planning & design.
Mechanical Engineering
1. Fluid Mechanics:
Basic Concepts and Properties of Fluids, Manometry, Fluid Statics, Buoyancy, Equations of Motion, Bernoulli’s equation and applications, Viscous flow of incompressible fluids, Laminar and Turbulent flows, Flow through pipes and head losses in pipes.
2. Thermodynamics and Heat transfer:
Thermodynamic systems and processes; properties of pure substance; Zeroth, First and Second Laws of Thermodynamics; Entropy, Irreversibility and availability; analysis of thermodynamic cycles related to energy conversion: Rankine, Otto, Diesel and Dual Cycles; ideal and real gases; compressibility factor; Gas mixtures. Modes of heat transfer, Steady and unsteady heat conduction, Thermal resistance, Fins, Free and forced convection, Correlations for convective heat transfer, Radiative heat transfer – Radiation heat transfer coefficient; boiling and condensation, Heat exchanger performance analysis
3. IC Engines, Refrigeration and Air conditioning:
SI and CI Engines, Engine Systems and Components, Performance characteristics and testing of IC Engines; Fuels; Emissions and Emission Control. Vapour compression refrigeration, Refrigerants and Working cycles, Compressors, Condensers, Evaporators and Expansion devices, Other types of refrigeration systems like Vapour Absorption, Vapour jet, thermo electric and Vortex tube refrigeration. Psychometric properties and processes, Comfort chart, Comfort and industrial air conditioning, Load calculations and Heat pumps.
4. Turbo Machinery:
Reciprocating and Rotary pumps, Pelton wheel, Kaplan and Francis Turbines, velocity diagrams, Impulse and Reaction principles, Steam and Gas Turbines, Theory of Jet Propulsion – Pulse jet and Ram Jet Engines, Reciprocating and Rotary Compressors – Theory and Applications
5. Power Plant Engineering:
Rankine and Brayton cycles with regeneration and reheat, Fuels and their properties, Flue gas analysis, Boilers, steam turbines and other power plant components like condensers, air ejectors, electrostatic precipitators and cooling towers – their theory and design, types and applications;
6. Renewable Sources of Energy:
Solar Radiation, Solar Thermal Energy collection – Flat Plate and focusing collectors their materials and performance. Solar Thermal Energy Storage, Applications – heating, cooling and Power Generation; Solar Photovoltaic Conversion; Harnessing of Wind Energy, Bio-mass and Tidal Energy – Methods and Applications, Working principles of Fuel Cells.
7. Engineering Mechanics:
Analysis of System of Forces, Friction, Centroid and Centre of Gravity, Dynamics; Stresses and Strains-Compound Stresses and Strains, Bending Moment and Shear Force Diagrams, Theory of Bending Stresses-Slope and deflection-Torsion, Thin and thick Cylinders, Spheres.
8. Engineering Materials:
Basic Crystallography, Alloys and Phase diagrams, Heat Treatment, Ferrous and Non Ferrous Metals, Non metallic materials, Basics of Nano-materials, Mechanical Properties and Testing, Corrosion prevention and control
9. Mechanisms and Machines:
Types of Kinematics Pair, Mobility, Inversions, Kinematic Analysis, Velocity and Acceleration Analysis of Planar Mechanisms, CAMs with uniform acceleration and retardation, cycloidal motion, oscillating followers; Vibrations –Free and forced vibration of undamped and damped SDOF systems, Transmissibility Ratio, Vibration Isolation, Critical Speed of Shafts. Gears – Geometry of tooth profiles, Law of gearing, Involute profile, Interference, Helical, Spiral and Worm Gears, Gear Trains- Simple, compound and Epicyclic; Dynamic Analysis – Slider – crank mechanisms, turning moment computations, balancing of Revolving & Reciprocating masses, Gyroscopes –Effect of Gyroscopic couple on automobiles, ships and aircrafts, Governors.
10. Design of Machine Elements:
Design for static and dynamic loading; failure theories; fatigue strength and the S-N diagram; principles of the design of machine elements such as riveted, welded and bolted joints. Shafts, Spur gears, rolling and sliding contact bearings, Brakes and clutches, flywheels.
11. Manufacturing ,Industrial and Maintenance Engineering:
Metal casting-Metal forming, Metal Joining, Machining and machine tool operations, Limits, fits and tolerances, Metrology and inspection, computer Integrated manufacturing, FMS, Production planning and Control, Inventory control and operations research – CPM-PERT. Failure concepts and characteristics-Reliability, Failure analysis, Machine Vibration, Data acquisition, Fault Detection, Vibration Monitoring, Field Balancing of Rotors, Noise Monitoring, Wear and Debris Analysis, Signature Analysis, NDT Techniques in Condition Monitoring.
12. Mechatronics and Robotics:
Microprocessors and Microcontrollers: Architecture, programming, I/O, Computer interfacing, Programmable logic controller. Sensors and actuators, Piezoelectric accelerometer, Hall effect sensor, Optical Encoder, Resolver, Inductosyn, Pneumatic and Hydraulic actuators, stepper motor, Control Systems- Mathematical modeling of Physical systems, control signals, controllability and observability. Robotics, Robot Classification, Robot Specification, notation; Direct and Inverse Kinematics; Homogeneous Coordinates and Arm Equation of four Axis SCARA Robot
Electrical Engineering
1. Engineering Mathematics
Matrix theory, Eigen values & Eigen vectors, system of linear equations, Numerical methods for solution of non-linear algebraic equations and differential equations, integral calculus, partial derivatives, maxima and minima, Line, Surface and Volume Integrals. Fourier series, linear, nonlinear and partial differential equations, initial and boundary value problems, complex variables, Taylor’s and Laurent’s series, residue theorem, probability and statistics fundamentals, Sampling theorem, random variables, Normal and Poisson distributions, correlation and regression analysis.
2. Electrical Materials
Electrical Engineering Materials, crystal structures and defects, ceramic materials, insulating materials, magnetic materials – basics, properties and applications; ferrities, ferro-magnetic materials and components; basics of solid state physics, conductors; Photo-conductivity; Basics of Nano materials and Superconductors.
3. Electric Circuits and Fields
Circuit elements, network graph, KCL, KVL, Node and Mesh analysis, ideal current and voltage sources, Thevenin’s, Norton’s, Superposition and Maximum Power Transfer theorems, transient response of DC and AC networks, Sinusoidal steady state analysis, basic filter concepts, two-port networks, three phase circuits, Magnetically coupled circuits, Gauss Theorem, electric field and potential due to point, line, plane and spherical charge distributions, Ampere’s and Biot-Savart’s laws; inductance, dielectrics, capacitance; Maxwell’s equations.
4. Electrical and Electronic Measurements:
Principles of measurement, accuracy, precision and standards; Bridges and potentiometers; moving coil, moving iron, dynamometer and induction type instruments, measurement of voltage, current, power, energy and power factor, instrument transformers, digital voltmeters and multi-meters, phase, time and frequency measurement, Q-meters, oscilloscopes, potentiometric recorders, error analysis, Basics of sensors, Transducers, basics of data acquisition systems
5. Computer Fundamentals:
Number systems, Boolean algebra, arithmetic functions, Basic Architecture, Central Processing Unit, I/O and Memory Organisation; peripheral devices, data represenation and programming, basics of Operating system and networking, virtual memory, file systems; Elements of programming languages, typical examples.
6. Basic Electronics Engineering:
Basics of Semiconductor diodes and transistors and characteristics, Junction and field effect transistors (BJT, FET and MOSFETS), different types of transistor amplifiers, equivalent circuits and frequency response; oscillators and other circuits, feedback amplifiers.
1. Analog and Digital Electronics:
Operational amplifiers – characteristics and applications, combinational and sequential logic circuits, multiplexers, multi-vibrators, sample and hold circuits, A/D and D/A converters, basics of filter circuits and applications, simple active filters; Microprocessor basics- interfaces and applications, basics of linear integrated circuits; Analog communication basics, Modulation and demodulation, noise and bandwidth, transmitters and receivers, signal to noise ratio, digital communication basics, sampling, quantizing, coding, frequency and time domain multiplexing, power line carrier communication systems.
2. Systems and Signal Processing :
Representation of continuous and discrete-time signals, shifting and scaling operations, linear, time-invariant and causal systems, Fourier series representation of continuous periodic signals, sampling theorem, Fourier and Laplace transforms, Z transforms, Discrete Fourier transform, FFT, linear convolution, discrete cosine transform, FIR filter, IIR filter, bilinear transformation.
3. Control Systems:
Principles of feedback, transfer function, block diagrams and signal flow graphs, steady-state errors, transforms and their applications; Routh-hurwitz criterion, Nyquist techniques, Bode plots, root loci, lag, lead and lead-lag compensation, stability analysis, transient and frequency response analysis, state space model, state transition matrix, controllability and observability, linear state variable feedback, PID and industrial controllers.
4. Electrical Machines :
Single phase transformers, three phase transformers – connections, parallel operation, auto-transformer, energy conversion principles, DC machines – types, windings, generator characteristics, armature reaction and commutation, starting and speed control of motors, Induction motors – principles, types, performance characteristics, starting and speed control, Synchronous machines – performance, regulation, parallel operation of generators, motor starting, characteristics and applications, servo and stepper motors.
5. Power Systems :
Basic power generation concepts, steam, gas and water turbines, transmission line models and performance, cable performance, insulation, corona and radio interference, power factor correction, symmetrical components, fault analysis, principles of protection systems, basics of solid state relays and digital protection; Circuit breakers, Radial and ring-main distribution systems, Matrix representation of power systems, load flow analysis, voltage control and economic operation, System stability concepts, Swing curves and equal area criterion. HVDC transmission and FACTS concepts, Concepts of power system dynamics, distributed generation, solar and wind power, smart grid concepts, environmental implications, fundamentals of power economics.
6. Power Electronics and Drives :
Semiconductor power diodes, transistors, thyristors, triacs, GTOs, MOSFETs and IGBTs – static characteristics and principles of operation, triggering circuits, phase control rectifiers, bridge converters – fully controlled and half controlled, principles of choppers and inverters, basis concepts of adjustable speed dc and ac drives, DC-DC switched mode converters, DC-AC switched mode converters, resonant converters, high frequency inductors and transformers, power supplies.
Electronics & Telecommunication Engineering
1. Basic Electronics Engineering:
Basics of semiconductors; Diode/Transistor basics and characteristics; Diodes for different uses; Junction & Field Effect Transistors (BJTs, JFETs, MOSFETs); Transistor amplifiers of different types, oscillators and other circuits; Basics of Integrated Circuits (ICs); Bipolar, MOS and CMOS ICs; Basics of linear ICs, operational amplifiers and their applications-linear/non-linear; Optical sources/detectors; Basics of Opto electronics and its applications.
2. Basic Electrical Engineering:
DC circuits-Ohm’s & Kirchoff’s laws, mesh and nodal analysis, circuit theorems; Electro-magnetism, Faraday’s & Lenz’s laws, induced EMF and its uses; Single-phase AC circuits; Transformers, efficiency; Basics- DC machines, induction machines, and synchronous machines; Electrical power sources- basics: hydroelectric, thermal, nuclear, wind, solar; Basics of batteries and their uses.
3. Materials Science:
Electrical Engineering materials; Crystal structure & defects; Ceramic materials-structures, composites, processing and uses; Insulating laminates for electronics, structures, properties and uses; Magnetic materials, basics, classification, ferrites, ferro/para-magnetic materials and components; Nano materials-basics, preparation, purification, sintering, nano particles and uses; Nano-optical/magnetic/electronic materials and uses; Superconductivity, uses.
4. Electronic Measurements and Instrumentation:
Principles of measurement, accuracy, precision and standards; Analog and Digital systems for measurement, measuring instruments for different applications; Static/dynamic characteristics of measurement systems, errors, statistical analysis and curve fitting; Measurement systems for non-electrical quantities; Basics of telemetry; Different types of transducers and displays; Data acquisition system basics.
5. Network Theory:
Network graphs & matrices; Wye-Delta transformation; Linear constant coefficient differential equations- time domain analysis of RLC circuits; Solution of network equations using Laplace transforms- frequency domain analysis of RLC circuits; 2-port network parameters-driving point & transfer functions; State equations for networks; Steady state sinusoidal analysis.
6. Analog and Digital Circuits:
Small signal equivalent circuits of diodes, BJTS and FETs; Diode circuits for different uses; Biasing & stability of BJT & JFET amplifier circuits; Analysis/design of amplifier- single/multi-stage; Feedback& uses; Active filters, timers, multipliers, wave shaping, A/D-D/A converters; Boolean Algebra& uses; Logic gates, Digital IC families, Combinatorial/sequential circuits; Basics of multiplexers, counters/registers/ memories /microprocessors, design& applications.
1. Analog and Digital Communication Systems:
Random signals, noise, probability theory, information theory; Analog versus digital communication & applications: Systems- AM, FM, transmitters/receivers, theory/practice/ standards, SNR comparison; Digital communication basics: Sampling, quantizing, coding, PCM, DPCM, multiplexing-audio/video; Digital modulation: ASK, FSK, PSK; Multiple access: TDMA, FDMA, CDMA; Optical communication: fibre optics, theory, practice/standards.
2. Control Systems:
Classification of signals and systems; Application of signal and system theory; System realization; Transforms& their applications; Signal flow graphs, Routh-Hurwitz criteria, root loci, Nyquist/Bode plots; Feedback systems-open &close loop types, stability analysis, steady state, transient and frequency response analysis; Design of control systems, compensators, elements of lead/lag compensation, PID and industrial controllers.
3. Computer Organization and Architecture:
Basic architecture, CPU, I/O organisation, memory organisation, peripheral devices, trends; Hardware /software issues; Data representation& Programming; Operating systems-basics, processes, characteristics, applications; Memory management, virtual memory, file systems, protection & security; Data bases, different types, characteristics and design; Transactions and concurrency control; Elements of programming languages, typical examples.
4. Electro Magnetics:
Elements of vector calculus, Maxwell’s equations-basic concepts; Gauss’, Stokes’ theorems; Wave propagation through different media; Transmission Lines-different types, basics, Smith’s chart, impedance matching/transformation, S-parameters, pulse excitation, uses; Waveguides-basics, rectangular types, modes, cut-off frequency, dispersion, dielectric types; Antennas-radiation pattern, monopoles/dipoles, gain, arrays-active/passive, theory, uses.
5. Advanced Electronics Topics:
VLSI technology: Processing, lithography, interconnects, packaging, testing; VLSI design: Principles, MUX/ROM/PLA-based design, Moore & Mealy circuit design; Pipeline concepts & functions; Design for testability, examples; DSP: Discrete time signals/systems, uses; Digital filters: FIR/IIR types, design, speech/audio/radar signal processing uses; Microprocessors & microcontrollers, basics, interrupts, DMA, instruction sets, interfacing; Controllers & uses; Embedded systems.
6. Advanced Communication Topics:
Communication networks: Principles /practices /technologies /uses /OSI model/security; Basic packet multiplexed streams/scheduling; Cellular networks, types, analysis, protocols (TCP/TCPIP); Microwave & satellite communication: Terrestrial/space type LOS systems, block schematics link calculations, system design; Communication satellites, orbits, characteristics, systems, uses; Fibre-optic communication systems, block schematics, link calculations, system design.

IES Exam Details 

IES Exam EventsIES Exam Date
Release of Official NotificationSeptember 22, 2021
Beginning of Online ApplicationSeptember 22, 2021
End of Online ApplicationOctober 12, 2021
Release of Prelims Admit CardJanuary 31, 2022
Preliminary ExamFebruary 20, 2022
IES Prelims Result 2022March 31, 2022
Fee(a) Candidates (excepting Female/SC/ST/PH who are exempted from payment of fee) are required to pay a fee of Rs. 200/‐ (Rupees Two Hundred only) either by depositing the money in any Branch of SBI by cash or by using Net banking facility of State Bank of India or by using Visa/Master Credit/Debit card.(b) Candidates should note that payment of examination fee can be made only through the modes prescribed above. Payment of fee through any other mode is neither valid nor acceptable. Applications submitted without the prescribed fee/mode (unless remission of fee is claimed) shall be summarily rejected. 

Recruitment Through Ese Branch-wise Department


Group‐A Services/Posts

(i) Indian Railway Service of Engineers.

(ii) Indian Railway Stores Service (Civil Engineering Posts).

(iii) Central Engineering Service.

(iv) Indian Ordnance Factories Service AWM/JTS (Civil Engineering Post)

(v) Central Engineering Service (Roads), Gr ‘A’ (Civil Engineering Posts).

(vi) Central Water Engineering Service Gr ‘A’ (Civil Engineering Posts)

(vii) Survey of India Group ‘A’ Service.

(viii) AEE(Civil Engg Posts)in Border Roads Engineering Service Gr ‘A’.

(ix) AEE(Civil) of P&T Building Works Gr ‘A’.

(x) Indian Defence Service of Engineers

(xi) AEE(QS&C) in Military Engineer Service (MES)Surveyor Cadre.


Group‐A/B Services/Posts

(i) Indian Railway Service of Mechanical Engineers.

(ii) Indian Railway Stores Service (Mechanical Engineering Posts).

(iii) Indian Ordnance Factories Service AWM/JTS (Mechanical Engineering Posts).

(iv) Central Electrical and Mechanical Engineering Service (Mechanical Engineering Posts).

(v) Geological Survey of India Engineering Service Gr ‘A’

(vi) Central Engineering Service (Roads), Gr ‘A’ (Mechanical Engineering Posts).

(vii) Central Water Engineering Service Gr ‘A’ (Mechanical Engineering Posts).

(viii) AEE(Mech Engg Posts) in Border Roads Engineering Service Gr ‘A’.

(ix) Indian Naval Armament Service

(x) Indian Defence Service of Engineers.

(xi) Central Power Engineering Service Gr ‘B’ (Mechanical Engineering Posts).


Group‐A/B Services/Posts

(i) Indian Railway Service of Electrical Engineers.

(ii) Indian Railway Stores Service (Electrical Engineering Posts).

(iii) Central Electrical and Mechanical Engineering Service (Electrical Engineering Posts).

(iv) Indian Ordnance Factories Service AWM/JTS (Electrical Engineering Posts).

(v) Indian Inspection Service (Asstt. Dir. Grade I).

(vi) Indian Supply Service Gr ‘A’.

(vii) AEE(Electrical) of P&T Building Works Gr ‘A’.

(viii) Indian Naval Armament Service.

(ix) Indian Defence Service of Engineers

(x) Central Power Engineering Service Gr ‘B’ (Electrical Engineering Posts).

Indian Engineering Services Exam 2022 Notification  

  • The UPSC will release Indian Engineering Services Exam 2022 notification for over 580 vacancies. One should explore the IES notification meticulously that describes all the key details such as exam pattern, eligibility, number of vacancies, syllabus, etc. 
  • The official notification will also assist the candidates with the registration process and withdrawal of an application.

Indian Engineering Services – IES Vacancy 2022 

The Commission has released the notification for a total of 495 vacancies. The total number of vacancies to be filled for the post will include vacancies for the Persons with Benchmark Disabilities (PwBD). However, the number of vacancies is liable to alteration. 

ESE Exam Group-A Services/Posts

  • A combined competitive examination is conducted by the UPSC for recruitment to the Indian Engineering Services. 
  • The recruitment of qualified candidates is made under the following categories:  
    • Electrical Engineering  
    • Mechanical Engineering  
    • Civil Engineering  
    • Electronics & Telecommunication Engineering.

ESE Online Application Form 2022 

  • Candidates should visit the UPSC’s official website to apply if they meet all of the eligibility requirements. 
  • Between September 22 and October 12, 2021, the ESE online application form 2022 will be accessible on the Commission’s website. 
  • We’ve given a brief overview of the IES registration process. For more information, candidates should go to the IES Application Forms and Procedure website. Go to the UPSC’s official website at www.upsc.gov.in.

Go to ”Apply Online’ Click on ”Online Application for Various Examinations” 

  • The ESE online application can be found here. Begin entering all the necessary information in the Part I registration, including name, residence, age, etc. 
  • Upload the necessary papers, such as a photo and a signed signature, under Part-II registration. 
  • Pay the application fee as specified. deliver the IES application. Take a hardcopy of the ESE application form after downloading it for your records.

IES Application Fee 

  • To successfully submit an application, candidates must pay an application fee of Rs 200. 
  • Either a cash deposit in any SBI bank or an online payment can be used to pay for an IES application. 
  • Candidates who are female, SC, ST, or PH are not required to pay the IES application fee. 
  • The payments will not be reimbursed in the event that the application is withdrawn.

Eligibility Criteria

  • Physical Criteria:
    •  Candidates who are ultimately approved by the Commission based on the Engineering Services Examination in 2022 must submit to a medical exam. 
    • Regardless of whether the candidate has previously taken a similar medical examination and been deemed fit or unfit based on a prior examination, every candidate, upon final Commission recommendation, will be required to undergo a medical examination as and when so determined by the Ministry of Railways (Railway Board). 
    • The Ministry of Railways’ various Railway Hospitals will host the medical examination (Railway Board). The UPSC’s official notification includes a set of extra instructions for candidates. 
    • For all allocation-related purposes, the Railways Medical Board’s conclusions will be considered conclusive and obligatory.
  • Physical standards 
    • For consideration for admission to the Engineering Services Examination, 2022, applicants must meet the physical requirements outlined in the official notification of the Rules for the Engineering Services Examination, 2022, which will be published in the Extraordinary Gazette of India.
    • With the caveat that candidates in categories (b), (c), (d), and (e) above must be those for whom the Indian government has granted a certificate of eligibility. 
    • A candidate for whom a certificate of eligibility is required may be admitted to the examination, but the offer of appointment may only be made once the Government of India has supplied the individual with the required eligibility certificate.
  • Nationality
    • A candidate who, as of January 1, 2022, has been continuously employed as a temporary employee on a regular basis in the specific department or office stated below for at least three years.
    • A candidate must be one of the following: 

(a) an Indian citizen; 

(b) a subject of Nepal; 

(c) a subject of Bhutan; 

(d) a Tibetan refugee who arrived in India before January 1, 1962, with the intention of settling permanently there; or 

(e) a person of Indian descent who migrated from Pakistan, Burma, Sri Lanka, or 

(f) East African countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire, and Ethiopia.

Age Limit: 

  • A candidate for this exam must be at least 21 years old and not more than 30 years old on January 1, 2022, in order to qualify. i.e., the person must have been born between January 2nd, 1992, and January 1st, 2001. 
  • If government employees in the following categories work in a department or office under the direction of any of the authorities listed in column 1 below and apply for admission to the examination for all or any of the Service(s)/Posts listed in column 2, for which they are otherwise eligible, the upper age limit of 30 years will be relaxed up to 35 years.
  • The aforementioned Upper Age Limit may be further relaxed: If a candidate comes from a scheduled caste or a scheduled tribe, the maximum sentence is five years. For candidates who fall under the OBC category, a maximum of three years. defence service members who were injured while participating in operations during conflicts with any foreign country or in a troubled area and were afterwards freed, the maximum sentence is three years.
  • For ex-servicemen, including commissioned officers and ECOs/SSCOs, who have served in the military for at least five years as of January 1st, 2022, and have been released 
    • (a) upon completion of their assignment (including those whose assignment is due to be completed within one year of January 1st, 2022), other than by way of dismissal or discharge due to misconduct or inefficiency,
    • (b) due to a physical disability attributable to service, up to a maximum

Roles and Responsibilities 

  • Following selection, they are given the titles of Assistant Executive Engineer or Assistant Director to start their careers. They are promoted to executive engineer, director, or work manager after three to four years of experience. 
  • After eight years of service, they are promoted to joint director or deputy general manager. 
  • They can advance to joint general manager or level 2 chief engineer with over 13 years of experience. It suffices to become a chief engineer or supplementary general manager after 20 years of experience.
  • After serving the Indian government for 30 years, they qualified for the rank of senior general manager or engineer-in-chief. 
  • The 34-year IES officers with the finest performances are promoted to chairman or managing director of a government organisation.

Preparation strategy for UPSC Engineering Services Examination

  • IES is one of the most prominent and sought-after career paths for engineers in the private, public, and governmental sectors. Similar to the Civil Services, the government and society accord great prestige to those chosen for the IES.
  • The IES is a highly sought-after position where candidates get to play a crucial part in the development of the nation. 
  • This is because there are many opportunities for engineers in the public sector, including Indian Railways, Central Engineering, Military Engineering, Telecommunications, and Central Water Services, among many other departments.
  • The IES or any other exam, hard work, unrelenting efforts, and perseverance are the keys to success. To attain goals, however, a clever strategy requiring meticulous planning is also essential. 
  • Study Hard: The benefits of hard study are increased by having a complete understanding of the subject, including clarity of the fundamental ideas, awareness of current events, and broad knowledge. A clever and responsible demeanour is also necessary in order to pass this exam.
  • Understanding the syllabus and papers: The most recent exam format and syllabus must be understood and familiarised with. The question papers from the previous year might be a huge assistance. You can extensively review them to spot the issues and subjects that recur so that you can plan accordingly. Use reference materials to better understand concepts, but to prevent confusion and time wastage, focus on learning a single subject from a reputable source. For various topics, you can utilise several books, though.
  • Manage Your Time: Time plays a very crucial role during all exams including the ESE. So, it is a must that you optimally utilize the allotted time. Time management is a key component of both the preparation process and the exam itself. A proper strategy and timetable must be established. For the best results, each technical section subject has to get at least 3 hours each day of attention. To give you an advantage in the exam, English and General Studies should also be given an hour each.
  • Make a Plan: When planning your study schedule, be sure to evenly distribute the subjects to prevent boredom and preserve excitement. To make studying more enjoyable, you can switch between the General Ability and Technical parts. You must segregate short-term and long-term study goals, and work accordingly to succeed.
  • Make short Notes: Short notes are very helpful especially in technical subjects. Make short notes of important topics and also a list of formulae and revise them daily. For English, you can learn 20 new words daily from previous years question papers or other sources.
  • Practice Questions: Practice of questions helps to assess your understanding and level of concepts. Practice as many as possible from books and previous question papers. Since time is a crucial factor while attempting the exam candidates can time themselves while practicing questions. Ensure to complete the tasks within the stipulated time. Candidates can also practice questions with the help of OMR sheets so that they get acclimatized to using them during the exam. You can also solve 10 to 15 questions of English daily, based on rearranging sentences and finding errors.
  • Current Affairs: Reading the newspaper, watching the news, surfing the net will help to prepare for the general ability exam. Knowledge of Current Affairs of 45 days prior to the exam will help to sail through this exam.
  • Don’t Skip Mock tests: Daily practice of at least of 5 questions from the previous year papers of conventional exam will enhance writing skills and presentation. Practice of mock tests that include all sections of the exam within a limited time frame will help you to sail through and succeed in these exams.
  • Focus on General Studies and English: There are 120 questions in Objective Paper I, evenly based on General Studies and English. Since Comprehension and questions based on rearrangement of sentences are time consuming, candidates can solve those after completing the rest of the exam. Ensure that you read the Comprehension thoroughly before attempting the questions. This will give you a better idea for answering correctly.
  • Practice Technical Questions and Focus on Negative marking: Technical theory questions are best attempted before the numerical since you may take long to attempt numerical which also carry negative marking, so a well attempted theory gives you stronger chance of scoring well and covering up for negative marks. Attempt the questions you find easy before moving on to the difficult ones.

FAQs: IES Exam

Q1 Describe the IES exam.

A1 The Indian Engineering Services examination is known as the IES exam. There are three parts to this exam: the preliminary, main, and interview. A national-level exam is held for engineers to fill a variety of positions.

Q2 What are the age requirements for IES eligibility?

A2 A candidate must be at least 21 years old and not more than 30 years old on January 1, 2022, in order to meet the IES eligibility requirements. He or she had to have been born between January 2, 1992, and January 1, 2001.

Q3 What exactly is IES exam eligibility?

A3 Candidates must hold a Bachelor of Engineering degree from a recognised institute or university. A holder of an equivalent degree will also be qualified to take the IES exam. The official notification includes a complete list of equivalent courses.

Q4 How many IES attempts are there?

A4 There are no restrictions on the number of IES exam attempts. Candidates can take the IES test as long as they meet the age requirements specified in the IES notice.

Q5 Is there negative grading in the IES exam?

A5 In the IES Prelims exam, one-third of the marks will be deducted for each incorrect answer. The Mains exam, on the other hand, has no negative grading.

Q6 What is the 2022 IES Age Limit?

A6 Candidates applying for the IES 2022 Exam must be between the ages of 21 and 30 on January 1, 2022.

Q7 Do I need to bring my Disability Certificate if I are a Person with Disabilities?

A7 Candidates in the PwD category must bring their Disability Certificate in original format, as well as an additional photocopy of the same.

Q8 I am graduated from a foreign university with a degree in engineering. Can I take the IES 2022 Exam?

A8 Candidates with a degree/diploma in engineering from a foreign university/college/institution will be considered only if the certificate is deemed equivalent to the degree attained in India.

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