IES Syllabus 2019

Engineering Services Examination (ESE) or Indian Engineering Services (IES) is an entrance examination conducted by the Union Public Service Commission (UPSC) for the recruitment of engineers for posts of Electrical Engineering, Civil Engineering, Mechanical Engineering and Electronics & Telecommunication Engineering in railways, roadways, defense, energy and telecommunication.

Importance of IES/ESE 2019 Syllabus

Candidates aspiring to crack IES exam should be thourough with the IES 2019 syllabus which is similar to IES 2018 Syllabus. Here are some of the benefits of using IES Syllabus for preparation:

  • IES Syllabus helps a candidate to identify all the important topics for the exam.
  • Candidates appearing for the IES exam can prepare in an organised manner using the IES Syllabus
  • IES Syllabus helps candidates segregae all the important topics on the basis of difficulty level.

Candidates can download the IES Syllabus 2019 for all the categories as PDF files using the links below -

IES 2019 Syllabus

  1. General Studies and Engineering Aptitude

  • Current national and international issues 
  • Engineering Aptitude covering Logical reasoning and Analytical ability
  • Engineering Mathematics and Numerical Analysis
  • Basics of Energy, Environment and Project Management
  • Basics of Material Science and Engineering
  • Standards and Quality practices in production, construction, maintenance and services
  • Information and Communication Technologies (ICT) based tools and their applications in Engineering
  • Ethics and values in Engineering profession
  • General Principles of Design, Drawing, Importance of Safety
  1. Civil Engineering Syllabus

    Paper I Syllabus Paper II Syllabus
    Building Materials, Solid Mechanics, Design of Steel Structure, Structural Analysis Construction Practice, Planning & Management Design of Concrete and Masonry Structures Hydrology and Water Resource, Engineering Flow of Fluids, Hydraulic Machines and Hydro Power, Foundation Engineering, Environmental Engineering, Transportation Engineering, Surveying & Geology
  2. Mechanical Engineering Syllabus

    Paper I Syllabus Paper II Syllabus
    Thermodynamics, Cycles and IC Engines Heat Transfer, Air Conditioning and Refrigeration, Fluid Mechanics, Turbo Machinery, Power Plant Engineering, Renewable Sources of Energy Theory of Mechanism & Machines, Machine Design, Strength of Materials Engineering, Mechanics, Production Engineering, Engineering Materials, Design of Machines Elements, Robotics Manufacturing, Maintenance, Industrial Engineering
  3. Electrical Engineering Syllabus

    Paper I Syllabus Paper II Syllabus
    Electrical Materials, Engineering Mathematics, Electrical and Electronics Measurements, Electric Circuits and Fields, Computer Fundamentals Basic, Electronics Engineering Systems and Signal Processing, Analog and Digital Electronics, Electrical Machines Control System, Power Electronics and Devices Power System
  4. Electronics & Telecommunication Engineering Syllabus

    Paper I Syllabus Paper II Syllabus
    Basic Electronics Engineering, Electronics Measurements & Instruments, Material Science,  Analog and Digital Circuits, Network Theory Control Systems, Analog and Digital Communication System, Electro Magnetics, Computer Architecture and Organisation, Advanced Communication Topics, Advanced Electronics Topics, Communication Systems

Detailed Mains Syllabus 2019

Civil Engineering Syllabus

Paper I Syllabus

  • Building materials: Classification, composition, properties and selection criteria of stone, lime, glass, plastics, steel, ceramics, aluminum, fly ash, basic admixtures, timber, bricks and cement. Lime & cement mortars and concrete properties and various tests; design of concrete mixes, proportioning of aggregates and methods of mix design.
  • Design of steel structures: Design of tension and compression members, design of beams and beam-column connections, principles of working stress methods, built-up sections, girders, industrial roofs, principles of ultimate load design.
  • Design of masonry and concrete structures: Design of slabs, beams, foundations, lintels, principles of pre-stressed concrete design including materials and methods limit state design for bending, shear, axial compression and combined forces; earthquake resistant design of structures; design of masonry structure.
  • Solid mechanics: Mohr's circle of stress and strain, elastic theories of failure, elastic constants, stress, plane stress, strains, plane strain, principal stresses, bending, shear and torsion.
  • Structural analysis: Analysis of determinate and indeterminate structures; trusses, beams, plane frames; rolling loads, basics of strength of materials, types of stresses and strains, bending moments and shear force, suspended cables; concepts and use of computer-aided design.
  • Construction practice, planning and management: Analysis of rates of various types of works; Tendering Process and Contract Management, Quality Control, Productivity, Operation Cost, Construction Planning, Equipment, Site investigation and Management including Estimation with latest project management tools and network analysis for different Types of work; Land acquisition; Labor safety and welfare.

Paper II Syllabus

  • Fluid mechanics, open channel flow, pipe flow: Flow net; Viscosity, Boundary layer and control, Drag, Lift, Principles in open channel flow, Flow controls. Hydraulic jump; Surges; Pipe networks, Fluid properties; Dimensional Analysis and Modeling; Fluid dynamics including flow kinematics and measurements
  • Hydraulic machines and hydropower: Powerhouse classification and layout, storage, pondage, control of supply, Various pumps, Air vessels, Hydraulic turbines types, classifications & performance parameters;
  • Hydrology: Groundwater hydrology, data analysis; Streams and their gauging; River morphology, Hydrological cycle, Flood, drought; Capacity of reservoirs.
  • Water resources engineering: Waterlogging, canal and drainage design, Gravity dams, falls, weirs, Energy dissipaters, barrage Distribution works, Cross drainage works and head-works and their design; Multipurpose uses of Water, River basins and their potential; Irrigation systems, water demand assessment; Concepts in canal design, construction & maintenance; River training, measurement and analysis of rainfall.
  • Water supply engineering: Rural, Institutional and industrial water supply, Sources, quality standards and testing of water and their treatment; 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.
  • Wastewater engineering: Planning & design of domestic wastewater, sewage collection and disposal; Plumbing Systems. Components of sewerage system; Planning 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.
  • Air and noise pollution and ecology: Sources and effects of air pollution, monitoring of air pollution; noise pollution and standards; ecological chain and balance, environmental assessment.
  • Foundation engineering: types of piles and their design and layout, types of foundations, selection criteria, laboratory and field tests; foundations on expansive soils, swelling and its prevention, foundation on swelling soils.
  • Surveying: Field astronomy, Global Positioning System; Map preparation; Photogrammetry; Remote sensing concepts; Classification of surveys, various methodologies, instruments & analysis of measurement of distances, elevation and directions; Survey Layout for culverts, canals, bridges, road/railway alignment and buildings.
  • Transportation engineering: Harbors Terminology, layouts and planning. Airports Layout, planning & design, Highways- Alignment and geometric design, Planning & construction methodology; Traffic Surveys and Controls; Principles of Flexible and Rigid pavements design. Tunneling Alignment, drainage, methods of construction, lighting and ventilation. Railways Systems Planning, designs and maintenance practices, track modernisation.

Mechanical Engineering Syllabus

Paper I Syllabus

  • Thermodynamics and Heat transfer: Gas mixtures, Modes of heat transfer, Steady and unsteady heat conduction, Thermal resistance, Fins, Free and forced convection, Correlations for convective heat transfer, Radioactive heat transfer, Radiation heat transfer coefficient; boiling and condensation, Heat exchanger performance analysis, Thermodynamic systems and processes; properties of pure substance; First and Second Laws of Thermodynamics; Entropy, Irreversibility and availability; analysis of thermodynamic cycles; ideal and real gases; compressibility factor.
  • IC Engines, Refrigeration and Air-conditioning: SI and CI Engines, Engine Systems and Components, Performance and testing of IC Engines; Fuels; Emissions and Emission Control. Vapor compression refrigeration, Refrigerants and Working cycles, Compressors, Condensers, Evaporators and Expansion devices, refrigeration systems like Vapor Absorption, Vapor jet, thermoelectric and Vortex tube refrigeration. Psychometric properties and processes, Comfort and industrial air conditioning, Load calculations and Heat pumps.
  • Fluid Mechanics: Basic concepts and properties of Fluid Statics, Buoyancy, Equations of Motion, Bernoulli s equation and applications, the Viscous flow of incompressible fluids, Laminar and Turbulent flows, Flow through pipes and head losses in pipes.
  • Turbo Machinery: Kaplan and Francis Turbines, velocity diagrams, Impulse and Reaction principles, Reciprocating and Rotary pumps, Steam and Gas Turbines, Theory of Jet Propulsion Pulse jet and Ram Jet Engines, Reciprocating and Rotary Compressors.
  • Power Plant Engineering: Rankine and Brayton cycles with regeneration and reheat, Boilers, steam turbines and other power plant components like condensers, air ejectors, electrostatic precipitators, Fuels and their properties, Flue gas analysis and cooling towers their theory and design, types and applications;
  • Renewable Sources of Energy: Solar Thermal Energy collection Flat Plate and focusing collectors their materials and performance, Solar Radiation, Solar Photovoltaic Conversion, Thermal Energy Storage,

Paper II Syllabus

  • Engineering Mechanics: Analysis of System of Forces, Centroid and Centre of Gravity Friction, Dynamics; Stresses and Strains-Compound Stresses and Strains, Bending Moment and Shear Force Diagrams, Theory of Bending Stresses, Thin and thick Cylinders, Spheres.
  • Mechanisms and Machines: Types of Kinematics Pair, Kinematic Analysis, Velocity and Acceleration Analysis of Planar Mechanisms, Mobility, Inversions, CAMs with uniform acceleration and retardation, cycloidal motion, oscillating followers;, Critical Speed of Shafts. Dynamic Analysis Slider crank mechanisms, turning moment computations, balancing of Revolving & Reciprocating masses, Gyroscopes Effect of the Gyroscopic couple on automobiles, ships and aircrafts, Governors.
  • Design of Machine Elements: Design for static and dynamic loading; Shafts, Spur gears, rolling and sliding contact bearings, Brakes and clutches, flywheels failure theories; fatigue strength and the S-N diagram and principles of the design of machine elements.
  • Mechatronics and Robotics: Microprocessors and Microcontrollers: Sensors and actuators, Piezoelectric accelerometer, Hall effect sensor, Optical Encoder, Resolver, Pneumatic and Hydraulic actuators, stepper motor, Control Systems- Mathematical modelling of Physical systems, control signals, controllability and observability. Architecture, programming, Computer interfacing, Programmable logic controller. Robotics, Robot Classification, Robot Specification, Direct and Inverse Kinematics.

Electrical Engineering Syllabus

Paper I Syllabus

  • Engineering Mathematics: Matrix theory, Numerical methods for solution of non-linear algebraic equations and differential equations, integral calculus, Eigen values & Eigen vectors, system of linear equations partial derivatives, maxima and minima, Line, Taylor's and Laurent's series, residue theorem, probability and statistics fundamentals, Sampling theorem, random variables, Surface and Volume Integrals. Fourier series, linear, non-linear and partial differential equations, initial and boundary value problems, complex variables, Normal and Poisson distributions, correlation and regression analysis.
  • Electrical Materials: Electrical Engineering Materials, ferrites, ferromagnetic materials and components; basics of solid state physics, crystal structures and defects, ceramic materials, insulating materials, magnetic materials. Basics, properties and applications of conductors; Photo-conductivity; Basics of Nanomaterials and Superconductors.
  • Electric Circuits and Fields: Circuit elements, network graph, KCL, KVL, Node and Mesh analysis, ideal current and voltage sources, Thevenin's Sinusoidal steady state analysis, basic filter concepts, two-port networks, three phase circuits, Norton's Superposition and Maximum Power Transfer theorems, transient response of DC and AC networks, 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.
  • Electrical and Electronic Measurements: Principles of measurement, accuracy, precision and standards; Bridges and potentiometers; moving coil, instrument transformers, digital voltmeters and multi-meters, phase, time and frequency measurement, moving iron, dynamometer and induction type instruments, measurement of voltage, current, power, energy and power factor, Q-meters, oscilloscopes, error analysis, Basics of sensors, Transducers, basics of data acquisition systems.
  • Computer Fundamentals: Number systems, arithmetic functions, Basic Architecture, Boolean algebra, Central Processing Unit, I/O and Memory Organization; virtual memory, peripheral devices, data representation and programming, basics of Operating system and networking, file systems; Elements of programming languages, typical examples.
  • Basic Electronics Engineering: Basics of Semiconductor diodes and transistors and characteristics, equivalent circuits and frequency response; oscillators and other circuits, Junction and field effect transistors, different types of transistor amplifiers, feedback amplifiers.

Paper II Syllabus

  • 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, 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. 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.
  • 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, 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.
  • 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.
  • 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.
  • 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, basic 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.
  • 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.
  • 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.

Electronics & Telecommunication Engineering Syllabus

Paper I Syllabus

  • Basic Electronics Engineering: Basics of semiconductors; Diode/Transistor basics and characteristics; Diodes for different uses; Junction & Field Effect Transistors; 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 Optoelectronics and its applications.
  • Basic Electrical Engineering: DC circuits-Ohm & Kirchoff's laws, mesh and nodal analysis, circuit theorems; Electro-magnetism, 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. Faraday s & Lenz's laws, induced EMF and its uses; Single-phase AC circuits;
  • Materials Science: Electrical Engineering materials; Crystal structure & defects; Ceramic materials-structures, composites, processing and uses; Magnetic materials, basics, classification, ferrites, Ferro/para-magnetic materials and components; Insulating laminates for electronics, structures, properties and uses; Nano materials-basics, preparation, purification, sintering, nanoparticles and uses; Nano-optical/magnetic/electronic materials and uses; Superconductivity uses.
  • Network Theory: Network graphs & matrices; Wye-Delta transformation; Linear constant coefficient differential equations- time domain analysis of RLC circuits; 2-port network parameters-driving point & transfer functions; State equations for networks; Steady state sinusoidal analysis. Solution of network equations using Laplace transforms- frequency domain analysis of RLC circuits
  • Electronic Measurements and Instrumentation: Principles of measurement, accuracy, precision and standards; Analog and Digital systems for measurement, errors, statistical analysis and curve fitting; Measurement systems for non-electrical quantities; Basics of telemetry; Different types of transducers and displays; measuring instruments for different applications; Static/dynamic characteristics of measurement systems, Data acquisition system basics.
  • Analog and Digital Circuits: Circuits for different uses; Biasing & stability of BJT & JFET amplifier circuits; Small signal equivalent circuits of diodes; Diode wave shaping, A/D-D/A converters; Boolean Algebra & uses; Analysis/design of amplifier- single/multi-stage; Feedback& uses; Active filters, timers, multipliers Logic gates, Digital IC families, Combinatorial/sequential circuits; Basics of multiplexers, counters/registers/ memories /microprocessors, design& applications.

Paper II Syllabus

  • Analog and Digital Communication Systems: Random signals, Systems- AM, FM, transmitters/receivers, theory/practice/ standards, noise, probability theory, information theory; Analog versus digital communication & applications:, 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.
  • Electro Magnetics: Elements of vector calculus, Transmission Lines-different types, basics, Smith s chart, impedance matching/transformation, Maxwell s equations-basic concepts; Gauss , Stokes theorems; Wave propagation through different media; 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.
  • 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; Microprocessors & microcontrollers, basics, interrupts, DMA, instruction sets, interfacing; Controllers & uses; Embedded systems. DSP: Discrete-time signals/systems, uses; Digital filters: FIR/IIR types, design, speech/audio/radar signal processing uses;
  • Control Systems: Classification of signals and systems; Application of signal and system theory; System realisation; Transforms & their applications; stability analysis, steady state, transient and frequency response analysis; Design of control systems, compensators, elements of lead/lag compensation, PID and industrial controllers. Signal flow graphs, Routh-Hurwitz criteria, root loci, Nyquist/Bode plots; Feedback systems-open &close loop types
  • Computer Organization and Architecture: Basic architecture, CPU, I/O organisation, memory organisation, peripheral devices, trends; Databases, different types, characteristics and design; Transactions and concurrency control; Elements of programming languages, typical examples.
  • 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: block schematics link calculations, orbits, Terrestrial/space type LOS systems, system design, characteristics, systems, uses; Fibre-optic communication systems, Communication satellites, block schematics, link calculations, system design.

Highlights of IES 2019 Syllabus

  • The Preliminary examination of IES comprises of two papers - Paper-I (General Studies and Engineering Aptitude) and Paper-II (Civil Engineering/Mechanical Engineering/Electrical Engineering/Electronics and Telecommunication Engineering).
  • The Mains exam consists of two papers related to engineering specific disciplines.
  • Based on the engineering background of the student, syllabus of IES 2019 has been divided into different disciplines, namely Electrical, Mechanical, Civil and Electronics and Telecommunication.
  • General Studies and Engineering Aptitude section will cover subjects from graduation in Engineering and Science level.
  • Engineering specific paper will include subjects studied by engineering students in their graduation.

IES Examination Pattern

From the year 2017 onwards, IES exam is conducted in three stages- Preliminary, Mains and Personality Test. The IES Preliminary Exam 2019 was be conducted on 6th January 2019 and IES Mains Exam will be conducted on 30th June 2019.

  • Stage I- Preliminary: It consists of two objective type question papers of 200 marks and 300 marks. Paper 1 includes Objective Type General Studies and Engineering Aptitude questions whereas Paper 2 includes Engineering Discipline related questions. There will be negative marking and 0.33 of the marks will be deducted for every wrong answer.

Subject Duration Maximum Marks
Paper-I (General Studies and Engineering Aptitude) 2 hrs. 200
Paper-II (Engineering Subject) 3 hrs. 300
  • Stage IIMains: It will consist of two conventional type papers of Engineering Discipline of 300 marks each.

Subject Duration Maximum Marks
Paper-I ( Engineering Subject ) 3 hrs. 300
Paper-II (Engineering Subject) 3 hrs. 300
  • Stage III- Personality Test: It includes a personal interview with 200 Marks. The candidates who qualify for the Preliminary exam will be eligible for the Mains Exam and those who clear Mains exam will be further called for Personality Test.

IES 2019 Important Dates

Event Date
Release of Notification 26 September 2018
Start Date of Online Applications 26 September 2018
Closure of Online Application Process 22 October 2018
Preliminary Examination 6 January 2019
Mains Examination 30 June 2019
Personality Test First Week of November 2019


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