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IES Syllabus 2019, Exam Pattern and Important Topics

Updated On - February 16th 2019 by LOKESH GUPTA

IES Syllabus is released by Union Public Services Commission along with the notification. UPSC also publishes IES Exam pattern and IES Marking Scheme. IES Syllabus has been similar over the years. 

Listed below are important facts about IES Syllabus:

  • Syllabus for the engineering examination is of graduation level. Check IES Eligibility
  • For engineering exam, the syllabus is based on subjects studied in the four or five years of engineering graduate programs.
  • The syllabus is divided as per different engineering discipline namely
    • Civil Engineering
    • Mechanical Engineering
    • Electrical Engineering and
    • Electronics & Telecommunication Engineering

In order to crack the examination, candidates must rigorously practice IES sample papers or previous year question papers. This will also help in getting an idea of marking scheme and the pattern of IES Exam.

Download Complete IES Syllabus PDF

Engineering Discipline

Civil Engineering

IES CE Syllabus Click Here

Mechanical Engineering

IES ME Syllabus Click Here

Electrical Engineering

IES EEE Syllabus Click Here
Electronics and TelecommunicationIES ECE Syllabus Click Here

IES or Indian Engineering Services is conducted by UPSC each year. Through this examination, candidates can serve for the Government of India as engineers in Railway, Military, Central Engineering Service (CES), and other streams. For this session, the exam will be conducted to fill 581 vacancies in various departments. Check How to prepare for IES Prelims and Mains?

IES Exam Pattern 2019

Before delving into preparation, it is essential to develop a proper strategy and understand the exam pattern well to maximize scores in IES 2019:

IES Exam Pattern, IES Paper Pattern, ESE Exam Pattern, ESE Paper Pattern

Listed below are key facts about IES Exam Pattern:

  • The exam is conducted in 3 Stages namely Preliminary Exam, Mains Exam and Personality Test.
  • The mode of examination is offline i.e. it is a written examination.
  • Questions in Prelims exam are objective in nature.
  • Questions in Mains will have questions of conventional type.
  • The medium of examination is English.
  • In IES, there will be a deduction of one-third of the mark allotted for each question for every wrong answer attempted.

Check IES Cut Off for Prelims, Mains & Finals

IES Syllabus 2019

Indian Engineering Services examination is conducted in three stages. The first two stages are written examinations. Listed below are details related to same:

  • Stage 1 consists of 2 Papers namely General Studies & Engineering Aptitude (Paper 1) and Engineering Discipline (Civil/ Mechanical/ Electrical/ Electronics & Telecommunication Engineering).
  1. The questions in Paper 1 are based on Current issues, Basic Engineering Aptitude, Engineering Mathematics and Numerical Analysis etc.
  2. The questions in Paper 2 are based on the chosen engineering discipline. 
  • Stage 2 also consists of 2 Papers, both the papers are engineering discipline specific.

IES Syllabus for General Knowledge & Engineering Aptitude

Questions in General Aptitude will cover questions from Current issues of national and international importance related to economic, social and industrial development. The questions in this paper are of graduate level. Marks for each topic mentioned above will range from 5% to 15% of the total marks in the paper. Engineering Aptitude section will cover questions from:

  1. Logical Reasoning and Analytical Ability
  2. Engineering Mathematics
  3. Numerical Analysis
  4. General Principles of Drawing, Design, and Importance of Safety
  5. Basics of Project Management
  6. Basics of Material Science and Engineering
  7. Basics of Energy and Environment: Conservation, environmental pollution, and degradation, Climate Change, Environmental impact assessment
  8. Information and Communication Technologies (ICT) based tools and their applications in Engineering such as networking, e-governance, and technology-based education.

IES Syllabus for Mechanical Engineering (ME)

The paper code for Mechanical Engineering is ME. It is the widest and oldest branch in IES. Both the Stages in IES will have questions from this discipline.  The level of questions will vary as per the stages. The branch applies the principles of engineering, physics and material science for the design, analysis, manufacturing, and maintenance of mechanical systems. Tabulated below are the topics with important topics that will form IES Syllabus for ME:

ME Syllabus for Stage 2 Paper 1

ManufacturingHeat Transfer

Orthogonal Cutting
Tool Life Equation Problems
Casting Types and Design
Resistance Welding
Problems in Welding

Numbers in convection like Pr No, Gr No, Re No, etc.
Problems on conduction
Critical thickness
Shape factor in radiation
Problem in Heat exchangers like NTU

Thermal ScienceFluid Mechanics

1st and 2nd Law Problems
Steam Turbines
Laws of TD and Properties
Problems of Diesel
Duel Cycle
Detonation and Knocking
Turbo Machinery

Velocity Potential
Flow through Pipes
Boundary Layer Theory
Surface Tension
Applications of Bernoulli equation
Centrifugal pumps
Specific speeds of turbine and pumps

Theory of Machines and VibrationRenewable Sources of Energy

Planetary gear train
Gears LOC, POC
Shafts Problems
Governors & Fly Wheel
Pairs & its applications
Inversions of single & double slider crank

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

Download FullIES Mechanical Engineering Syllabus (Paper 1) PDF by UPSC

ME Syllabus for Stage 2 Paper 2

Engineering MechanicsEngineering Materials
Mechanisms and Machines
Design of Machine Elements
Manufacturing, Industrial and Maintenance Engineering
Mechatronics and Robotics
Download FullIES Mechanical Engineering Syllabus (Paper 2) PDF by UPSC

Important Books for IES Mechanical Engineering

Book NameAuthor/ Publisher
Engineering ThermodynamicsP.K. Nag, Edition: 5
Introduction to Fluid Mechanics & Fluid MachinesS K Som, Gautam Biswas, S Chakraborty, Edition: 3
 Fundamentals of Engineering Heat and Mass TransferR.C. Sachdeva, Edition: 4
Theory of MachinesS S Rattan, Edition: 4
Engineering MechanicsS. Timoshenko, D.H. Young, J.V. Rao, Sukumar Pati, Edition: 5

IES Syllabus for Civil Engineering 

IES Civil Engineering Exam 2019 is one of the most reputed streams any graduated engineers. The program code CE. Tabulated below are the important topics for IES Exam.

CE Syllabus for Stage 2 Paper 1

Structural EngineeringGeotechnical Engineering

Solid Mechanics
Steel Structures
Structural Analysis

Soil Mechanics
Foundation Engineering 

Water Resources EngineeringEnvironmental Engineering

Fluid Mechanics

Water and wastewater disposal
Air Pollution
Noise Pollution
Municipal Solid Waste

Transportation EngineeringGeomatics Engineering

Transportation Infrastructure
Highway Pavements
Traffic Engineering

Basics of Geographical Information System (GIS)
Geographical Positioning System (GPS)

Download FullIES Civil Engineering Syllabus (Paper 1) PDF by UPSC

CE Syllabus for Stage 2 Paper 2

Flow of Fluids, Hydraulic Machines and Hydro Power
Fluid Mechanics, Open Channel Flow, Pipe Flow
Hydraulic Machines and Hydropower
Hydrology and Water Resources Engineering
Environmental Engineering
Water Supply Engineering
Waste Water Engineering
Download FullIES Civil Engineering Syllabus (Paper 2) PDF by UPSC

Important Books for Civil Engineering (CE)

Book NameAuthor/Publisher
Basic Structural AnalysisC.S.Reddy, Edition: 3rd
R.C.C. DesignsB.C.Punmia, Ashok Kumar Jain, Arun Jain Edition: 3rd
Design Of Steel StructuresS.K Duggal Edition: 3rd
Surveying (vol. 1,2,3)B.C.Punia, Askok Jain, Arun Jain
Engineering HydrologyK Subramanya, Edition: 4th

IES Syllabus for Electrical Engineering

Electrical engineering is a field of engineering that generally deals with the study and application of electricity, electronics, and electromagnetism. The paper code for this paper is EEE. Tabulated below are the important topics for IES Exam.

EEE Syllabus for Paper 1

Electric CircuitsElectromagnetic Fields

Network graph
KCL, KVL, Node and Mesh analysis
Sinusoidal steady-state analysis
Thevenin’s theorem, Norton’s theorem
Three phase circuits

Electric Field Intensity, Electric Flux Density, Gauss's Law,
Electric field & potential due to point, line, plane & spherical charge distributions
Biot-Savart’s law, Ampere’s law
Self and Mutual inductance of simple configurations

Signals and SystemsElectrical Machines

Representation of continuous and discrete-time signals.
Linear Time-Invariant and Causal systems, Sampling theorem.
Applications of Fourier Transform, Laplace Transform, and z-Transform

Single phase transformer,
Three phase transformers,
Auto-transformer, DC machines, Three phase induction motors, Operating principle of single phase induction motors, Synchronous machines
Types of losses and efficiency calculations of electric machines.

Power SystemsControl Systems

Power generation concepts
Electric field distribution and insulators
Gauss-Seidel and Newton-Raphson load flow methods
Voltage and Frequency control, Power factor correction
Symmetrical components, Symmetrical and unsymmetrical fault analysis,
Circuit breakers, System stability concepts

Mathematical modeling and representation of systems
Feedback principle, transfer function, Block diagrams and Signal flow graphs
Transient and Steady-state analysis of linear time-invariant systems
Routh-Hurwitz and Nyquist criteria, Bode plots.
P, PI and PID controllers; State space model, State transition matrix.

Electrical and Electronic MeasurementsAnalog and Digital Electronics

Bridges and Potentiometers
Measurement of voltage, current, power, energy and power factor
Instrument transformers, Digital voltmeters, and multimeters
Phase, Time and Frequency measurement; Oscilloscopes

Characteristics of diodes, BJT, MOSFET
Oscillators and Feedback amplifiers
Operational amplifiers

Power Electronics

Characteristics of semiconductor power devices: Diode, Thyristor, Triac, GTO, MOSFET, IGBT;
DC to DC conversion: Buck, Boost and Buck-Boost converters;
Single and three phase configurations of uncontrolled rectifiers, Line commutated thyristor-based converters, Bidirectional ac to dc voltage source converters,
Issues of line current harmonics, Power factor, Distortion factor of ac to dc converters, Single phase and three phase inverters, Sinusoidal pulse modulation.

Download FullESE Electrical Engineering Syllabus (Paper 1) PDF by UPSC

EEE Syllabus for Stage 2 Paper 2

Analog and Digital Electronics
Systems and Signal Processing
Control SystemsElectrical Machines
Power SystemsPower Electronics and Drives
Download FullIES Electrical Engineering Syllabus (Paper 2) PDF by UPSC

Important Books for IES Electrical Engineering

Book NameAuthor/Publisher
Electrical Power SystemsC. L. Wadhwa, Edition: 6
Electrical MachineryAuthor's Name: P. S. Bimbhra, Edition: 7
Control Systems EngineeringI.J.Nagrath, M. Gopal, Edition: 5
Power System EngineeringI Nagrath, D Kothari, Edition: 2

IES Syllabus for Electronics and Telecommunication Engineering

This is a discipline that combines electrical and communication engineering together. ECE stands for Electronics and Communication Engineering. It is one of the most popular and competitive streams among aspiring engineers.

Mentioned below are the most important topics for IES Exam:

ECE Syllabus for Paper 1

Networks, Signals and SystemsElectronic Devices

Network solution methods
Network theorems
Linear 2-port network parameters
Continuous-time signals
Discrete-time signals
LTI systems
Digital filter design techniques.

Energy bands in intrinsic and extrinsic silicon; Carrier transport
P-N junction, Zener diode, BJT, MOS capacitor, MOSFET, LED, photodiode and solar cell
Integrated circuit fabrication process

Analog CircuitsDigital Circuits

Small signal equivalent circuits of diodes, BJTs and MOSFETs; Simple diode circuits
Single-stage BJT and MOSFET amplifiers
BJT and MOSFET amplifiers
Sinusoidal oscillators
Function generators, wave-shaping circuits and 555 timers
Voltage reference circuits
Power supplies: ripple removal and regulation.

Number systems; Combinatorial circuits
Sequential circuits
Data Converters
Semiconductor memories
8-bit microprocessor (8085)

Control SystemsCommunications

Basic control system components
Block diagram representation
Signal flow graph
Transient and steady-state analysis of LTI systems;
Frequency response;
Routh-Hurwitz and Nyquist stability criteria; Bode and root-locus plots; Lag, lead and lag-lead compensation;
State variable model and solution of state equation of LTI systems.

Random processes
Analog communications
Information theory
Digital communications
Fundamentals of error correction, Hamming codes;
Timing and frequency synchronization, inter-symbol interference and its mitigation
Basics of TDMA, FDMA and CDMA.


Maxwell’s equations
Plane waves and properties
Transmission lines
Basics of radar
Light propagation in optical fibers

Download FullIES Electronic and Telecommunication Engineering Syllabus (Paper 1) PDF by UPSC

ECE Syllabus for Paper 2

Analog and Digital Communication Systems
Control Systems
Computer Organisation and ArchitectureElectro Magnetics
Advanced ElectronicAdvanced Communication
Download FullIES Electronic and Telecommunication Engineering Syllabus (Paper 2) PDF by UPSC

Important Books for IES Electronic and Telecommunication Engineering


Book NameAuthor/Publisher
Microelectronic Circuits: Theory and ApplicationsAdel S. Sedra, Kenneth C. Smith, Edition: 6
Fundamentals of Electric CircuitsCharles K. Alexander, Matthew N. O. Sadiku, Edition: 5
Automatic Control SystemsBenjamin C. Kuo, Edition: 9
Digital Logic and Computer DesignM. Morris Mano, Edition: 1
Principles of Communication SystemsGoutam Saha, Herbert Taub, Donald Schilling, Edition: 3

*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College


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sir ..i want to clarity abou ies .please give me suggetion for ies praparation

30 Jan, 2019 00:20
Shobhna Chaturvedi

Hi Nalluri, kindly go through the syllabus and pattern of the exam from the article above and then you can segregate the timing within the subjects as per your convenience for preparation.

31 Jan, 2019 18:28
Vishal Chaudhary

Can a computer science student appear in IES examination? Can u help?

02 Jan, 2019 00:20
Alok Pandey

Hello Vishal, To know about the eligibility criteria please click on Eligibilty Criteria.

09 Jan, 2019 12:12

Sir,How much Cgpa or percentage criteria should be in for UPSC IES exam?

11 Sep, 2018 00:20
Akansha Expert

Hi Piyush, Please check this link for getting the IES Eligibility criteria.

11 Sep, 2018 13:19

How to study for IES?

04 Jan, 2018 00:20
Bhawna Vedwal

Hello Priti, The following tips help you to prepare for IES-

  1. Refer the standard books for preparation.
  2. You must understand the Exam pattern and syllabus.
  3. Prefer book according to your syllabus.
  4. plan a schedule to prepare subject wise.
  5. Always Practice previous year question paper.
  6. Keep enough time for revising concepts.
  7. Make sure you cover full syllabus and no doubt remain pending.
  8. Make short notes to recall the concepts.
  9. Don’t give break of 2 or 3 days during your preparation 

18 May, 2018 12:28
dipak dhonde

You told Always Practice previous year question paper. So please forward any link for those practice papers.

29 Aug, 2018 11:29
Akansha Expert

Hi Dipak, Please check this link for getting the Practice paper for IES.

29 Aug, 2018 16:34

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