IES Exams

About IES Exam

Indian Engineering Services remains the most sought-after career for the engineering graduates in India. Engineering Services Examination commonly known as ESE is conducted annually by UPSC to recruit engineers in four domains namely

  • Civil
  • Mechanical
  • Electrical
  • Electronics & Telecommunications for the techno managerial posts

The examination constitutes a two-stage written examination followed by an interview. ESE is considered as one of the toughest examinations in India due to fewer posts. Owing to highly competitive selection procedure.

These candidates after the final selection are posted in various Ministries and Departments of GOI such as Railways, Telecom, Border Roads, CPWD, CWC, CPES, NHAI, Naval Armaments, IDSE, MES, Ordnance Factories etc., however, the selected candidates can move to any cadre, organisation, agency, department, ministry and PSU of the Government of India. All these final selected candidates are designated as class-1 officers.

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IES Exam Eligibility

  • Nationality:
  • A candidate must be either:
  • A citizen of India or
  • A subject of Nepal or A subject of Bhutan or
  • A Tibetan refugee who came to India before the 1st January, 1962 with the intention of permanently settling in India or
  • A person of Indian origin who has migrated from Pakistan, Burma, Sri Lanka or East African countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire and Ethiopia or from Vietnam with the intention of permanently settling in India.
  • Age Limits:
  • A candidate for this examination must have attained the age of 21 years and must not have attained the age of 30 years on the 1st January, 2022 i.e., he/she must have been born not earlier than 2nd January, 1992 and not later than 1st January, 2001.
  • The upper age-limit of 30 years will be relaxable upto 35 years in the case of Government servants of the following categories, if they are employed in a Department/ Office under the control of any of the authorities mentioned in column 1 below and apply for admission to the examination for all or any of the Service(s)/Post(s) mentioned in column 2, for which they are otherwise eligible.
  • A candidate who holds substantively a permanent post in the particular Department/Office concerned. This relaxation will not be admissible to a probationer appointed against a permanent post in the Department/Office during the period of his probation. However, this relaxation will be admissible to a probationer so appointed provided he/she already retains a lien on a permanent post in a Department/Office under the control of any of the authorities mentioned in column 1 below.
  • A candidate who has been continuously in a temporary service on a regular basis in the particular Department/Office for at least 3 years on the 1st January, 2022

Medical Fitness

After the declaration of final results of ESE examination, all the candidates who make it to the final list have to undergo medical fitness tests conducted by Railway Board at various Railway Hospitals. This medical examination is basically done to assess the suitability of the candidate for various services/departments opted by him/her. The final cadre allocation is done only after the recommendations sent by the medical board through the medical reports of the candidate. Below mentioned is the list of medical tests carried out for every candidate and the criteria for each test which decides whether the candidate is fit or unfit for the selected services:

All those candidates seeking appointment in

  • Railway Engineering Service (Civil/Mechanical/Electrical and Signal )
  • Central Engineering Services Group A
  • Central Engineering Service (Roads)
  • Central Electrical and Mechanical Engineering Service Group A in the CPWD Military Engineer Services
  • Indian Defence Service of Engineer (IDSE)
  • Central Water Engineering Service
  • BRES Group A in Border Road Organisation
  • Indian Skill Development Service (ISDS)

Height criteria for male candidates : 152cm
Height criteria for female candidates : 150cm
This is relaxable in case of scheduled tribes and races belonging to Gorkhas, Garhwalis etc.

  • Chest girth fully expanded -
  • For Male candidates : 84 cm
  • For Female candidates : 79 cm

For all services minimum chest expansion should be 5cm.

Candidate will be directed to take deep inspiration several times and then maximum expansion of the chest will be carefully noted. Fraction less than half of a centimeter will not be noted. Chest expansion measurements will be done twice before coming to final decision

  • Candidates will be weighed and the weight will be recorded in kilograms. Fraction of kilogram will not be noted.
  • Obesity: If a candidate has BMI > 35 then he/she is declared temporarily unfit and can become fit if they achieve BMI < 35 without any surgery or interventional therapies.

Eyesight test results will be recorded based on two tests:

General Examination: This will be done to detect any unhealthy conditions of eye, eyelids or contiguous structure which can render the candidate unfit in future.

Ministry

Posts

Central Public Works  Department

C.E.S. Group ‘A’, CE&MES Gr ‘A’

Ministry of Road Transport and Highways

Central Engineering Service (Roads) Gr. ‘A’

Ministry of Communication, Deptt. of Telecommunication

Indian Radio Regulatory Service  Group ‘A’
Indian  Telecommunication Service Group ‘A’,
J.T.O. (G.C.S. Gr. ‘B’)

Ministry of Defence, Deptt. of Defence Production,
Directorate General of Aeronautical Quality Assurance

Defence Aeronautical Quality Assurance Service(DAQAS)Gr ‘A’

Ministry of Science and Technology, Deptt. of Science and
Technology

Survey of India Gr ‘A’ Service

Geological Survey of India

Assistant Executive Engineer Gr ‘A’

Border Roads Organisation

BRES Gr. ‘A’

Indian Navy

Indian Naval Armament Service, Asstt. Naval Store Officer Grade-I

Military Engineer Services

Indian Defence Service of Engineers (lDSE) Group ‘A’
AEE(QS&C) in Military Engineer Service (MES) Surveyor Cadre

Ministry of Jal Shakti,  Deptt. of Water Resources, River
Development & Ganga Rejuvenation,  Central Water Commission

Central Water Engineering Group-A Service.

Central Electricity Authority

CPES Gr ‘A’ & CPES Gr ‘B’.

Ministry of Skill Development & Entrepreneurship

Indian Skill Development Service

The upper age-limit prescribed above will be further relaxable:

  • Up to a maximum of five years if a candidate belongs to a scheduled caste or a scheduled tribe.
  • Up to a maximum of three years in case if candidate belongs to OBC category.
  • Upto a maximum of three years in case of defence service personnel disabled in operations during hostilities with any foreign country or in a disturbed area, and released as a consequence thereof.
  • Upto a maximum of five years in case of ex-servicemen including Commissioned Officers and ECOs/SSCOs who have rendered at least five years Military Service as on 1st January 2021, and have been released.
  • On completion of assignment (including those whose assignment is due) to be completed within one year from 1st January 2021) otherwise than by way of dismissal or discharge on account of misconduct or inefficiency, or
  • On account of physical disability attributable to Military Service or On invalidment.
  • Upto a maximum of five years in the case of ECOs/SSCOs who have completed an initial period of assignment of five years of Military Services as on 1st January 2021, and whose assignment has been extended beyond five years and in whose case the Ministry of Defence issues a certificate that they can apply for civil employment and they will be released on three months notice on selection from the date of receipt of offer of appointment.
  • Up to a maximum of 10 years in the case of candidates of PwBD (Low vision Locomotor Disability including Cerebral Palsy, Leprosy cured, Dwarfism, Acid Attack victims & Muscular Dystrophy and Hard of Hearing).
  • A candidate of ESE-2021 will be eligible to get benefit of economically weaker Section reservation only in case the candidate meets the criteria issued by the Central Goverment and is in possession of requisite Income & Asset Certificate based on income of financial year 2020-2021.

Minimum Educational Qualifications:

  • Obtained a degree in Engineering from a university incorporated by an act of the central or state legislature in India or other educational institutions established by an act of Parliament or declared to be deemed as universities under section-3 of the University Grants Commission act, 1956 or
  • Passed Section A and B of the Institution Examinations of the Institution of Engineers (India) or
  • Obtained a degree/diploma in Engineering from foreign University/College/Institution and under such conditions as may be recognised by the Government for the purpose from time to time or
  • Passed Graduate Membership Examination of the Institute of Electronics and Telecommunication Engineers (India) or
  • Passed Associate Membership Examination Parts II and III/Sections A and B of the Aeronautical Society of India or
  • Passed Graduate Membership Examination of the Institution of Electronics and Radio Engineers, London held after November 1959
  • Provided that a candidate for the post of Indian Naval Armament Service (Electronics Engineering Posts and Engineer Group 'A' in Wireless Planning and Coordination Wing/Monitoring Organization) may possess any of the above qualifications or the qualification mentioned below namely:
  • For Indian Naval Armament Service (Electronics Engg. Posts) - M.Sc. degree or its equivalent with Wireless Communication Electronics, Radio Physics or Radio Engineering as a special subject.
  • For Indian Radio Regulatory Service – M.Sc. degree or its equivalent with Wireless Communication Electronics, Radio Physics or Radio Engineering as a subject or Master’s Degree in Science with Physics and Radio Communication or Electronics or Telecommunication as a special subject.

IES Exam Pattern

Stage-I: Preliminary Examination (Objective Papers)

STAGE-I

PAPER TYPE

DURATION

MARKS

PAPER-I

GENERAL STUDIES AND ENGINEERING APTITUDE

02 HOURS

200

PAPER-II

ENGINEERING DISCIPLINE (CE/ ME/ EE/ E&T)

03 HOURS

300

TOTAL MARKS

500

Minimum Qualifying Marks for each Paper will be at the discretion of the commission.

Only those candidates qualifying at this Stage are permitted to appear for Stage – II examination.

Stage-II: Main Examination (Conventional Papers)

STAGE-II

PAPER TYPE

DURATION

MARKS

PAPER-I

ENGINEERING DISCIPLINE (CE/ ME/ EE/ E&T)

03 HOURS

300

PAPER-II

ENGINEERING DISCIPLINE (CE/ ME/ EE/ E&T)

03 HOURS

300

TOTAL MARKS (MAIN)

600

TOTAL MARKS (MAINS + PRELIM)

1100

Stage-III: Personality Test

STAGE-III

MARKS

Personality Test

200

STAGE-I+ STAGE-II+STAGE III

1300

The Candidates who have qualified all stages (Stage I + Stage II + Stage III), will be included in the final list of ESE (Engineering Service Exam).

IES Exam Syllabus

Syllabi of Stage I - Paper I: Objective type, Common to all Candidates, duration 2 hours, Maximum Marks 200.

  • Current issues of national and international importance relating to social, economic and industrial development
  • Engineering Aptitude covering Logical reasoning and Analytical ability
  • Engineering Mathematics and Numerical Analysis
  • General Principles of Design, Drawing, Importance of Safety
  • Standards and Quality practices in production, construction, maintenance and services
  • Basics of Energy and Environment : Conservation, Environmental pollution and degradation, Climate change, Environmental impact assessment
  • Basics of Project Management
  • Basics of Material Science and Engineering
  • Information and Communication Technologies (ICT) based tools and their applications in Engineering such as networking, e-governance and technology based education.
  • Ethics and values in engineering profession

Note: The paper in General Studies and Engineering Aptitude will include the knowledge of relevant topics as may be expected from an engineering graduate, without special study. Questions from all the 10 topics mentioned above shall be set. Marks for each topic may range from 5% to 15% of the total marks on the paper.

SYLLABI OF FOUR ENGINEERING DISCIPLINES

(Contents for syllabi of both the Papers together for Stage-I objective type Paper–II and separately for Stage-II Conventional type Paper-I and Paper – II)

PAPER – I

PAPER – II

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.

1. 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. 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.

 

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. 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.

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.

PAPER – I

PAPER – II

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.

4. Geo-technical Engineering and Foundation Engineering :

(a) Geo-technical Engineering : Soil exploration - planning & methods, Properties of soil, classification, various tests and inter-relationships; 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. 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.

 

 

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. 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.

 

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.

(Contents for syllabi of both the Papers together for Stage-I objective type Paper–II and separately for Stage-II Conventional type Paper-I and Paper – II)

PAPER – I

PAPER – II

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.

1. 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.

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 co-efficient; boiling and condensation, Heat exchanger performance analysis

2. 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

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.

3. 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.

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

4. 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.

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;

5. 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.

 

PAPER – I

PAPER – II

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.

6. 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

(Contents for syllabi of both the Papers together for Stage-I objective type Paper–II and separately for Stage-II Conventional type Paper-I and Paper – II)

PAPER – I

PAPER – II

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, non-linear 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.

 

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 de-modulation, 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. 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.

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. 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

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 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

 

4. Electrical Machines :

 

Single phase transformers, three phase transformers - connections, parallel operation, auto-transformer, energy conversion principles, DC machines - types, windings,

PAPER – I

PAPER – II

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

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. 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.

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. 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.

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.

(Contents for syllabi of both the Papers together for Stage-I objective type Paper–II and separately for Stage-II Conventional type Paper-I and Paper – II)

PAPER – I

PAPER – II

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.

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. 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.

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 & frequency response analysis; Design of control systems, compensators, elements of lead/lag compensation,PID & industrial controllers.

PAPER – I

PAPER – II

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.

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. 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.

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. 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.

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. 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.

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.

top upsc classes in mumbai

IES Salary

Indian Engineering Officers joins as Assistant Executive Engineers or Assistant Directors at level of Junior Time Scale with a basic salary of Rs. 56,100/- per month and net salary of around Rs. 85,000/- per month.

Level

Pay Scale

Time Frame

Junior Time Scale (JTS)

INR 56100-177500

On Joining

Senior Time Scale (STS)

INR 67700-208700

3-5 years

Junior Administrative Grade (JAG)

INR 123100-215900

10-15 years

Senior Administrative Grade (SAG)

INR 144200-218200

15-20 years

Higher Administrative Grade (HAG)

INR 182200-224100

 

HAG+

INR 205400-224400

 

Apex Scale

INR 225000

 

Indian Engineering Service Officers are among the top recipients of a good deal of privileges and allowances. Below is a list of allowances and privileges available for IES Officers apart from the basic pay :

  • Residential Quarters (Type IV to Type VIII) OR HRA (presently 24% of basic pay)
  • Official Vehicle
  • Dearness Allowance (presently 9% of basic pay)
  • CGHS Medical Facility
  • Leave Travel Allowance/ Tour Allowance
  • National Pension Scheme
  • Gratuity
  • Leave Encashment
  • Mobile and Briefcase Allowance
  • Newspaper and Mobile Bill Reimbursement
  • Laptops
  • Children Education Allowance
  • Transport Allowance (approx. 8000 per month), etc.

IES Exam Result

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IES Exam FAQ

Q 1. Is IES more difficult than IAS?

Ans: Both UPSC and IAS exams necessitate extensive preparation, mental fortitude, and perseverance. Students with an engineering background, on the other hand, will find IES to be slightly easier and may even profit from it when at work. The IES is regarded as a technical exam, and graduate knowledge may be sufficient to pass it.

Q 2. How many attempts can a student give for IES Exam?

Ans: There is no limit to how many times a candidate can take the IES exam. Candidates can sit the IES Exam up to the maximum age limit prescribed by the Union Public Services Commission.

Q 3. What is the necessary age limit to take the UPSC IES/ESE 2022 exam?

Ans: He must be at least 21 years old and not more than 30 years old on January 1, 2022. They had to have been born between January 2, 1992, and January 1, 2001, to qualify.

Q 4. What are the percentage requirements for the IES exam?

Ans: For IES, there is no requirement for a specific proportion of marks. The candidate must be an Indian citizen who has either sat for the final Graduation Degree exam in any discipline of engineering or has graduated from a recognised university between the ages of 21 and 30, with reserved candidates having an upper age limit.

Q 5. How many categories are there in the IES exam?

Ans: There are a total of four categories in IES exams.

Q 6. How many papers are there in the IES syllabus for mains?

Ans: The IES syllabus for mains constitutes two papers; Paper-I and Paper-II

Q 7. Where can I check the IES results?

Ans: The IES results for all stages are available on UPSC’s official website.

Q 8. What is the cut-off score for the IES exam?

Ans: The cut-off score for the IES exam will be available on the official website of the UPSC after the interview session.

Q 9. What documents shall candidates carry with their admit cards?

Ans: Candidates must carry any ID proofs like Aadhar card or Voter ID card.

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