IES or Indian Engineering services exam is conducted by UPSC on an all India basis to recruit engineers for its various government departments and agencies that involve the technical working of engineers. The exam comprises of three important phases, namely the prelims, mains, and the interview round.
The notification gazette for the IES 2020 exam was released on 25th September 2019. Candidates willing to apply for the exam should look into the important dates and start preparation. The exam is conducted mainly for the four core branches of engineering, namely:
- Electrical Engineering
- Civil Engineering
- Mechanical Engineering
- Electronics and Telecommunication Engineering
IES Exam Dates 2020
The official gazette contains the exact number of vacancies that the UPSC plans to recruit candidates through the IES exam. The most important dates for candidates applying for IES 2020 are indicated below:
|IES Notification release date||25th September 2019 (Released)|
|IES Application form filling date||25th September 2019 to 15th October 2019|
|IES Prelims Admit Card Release Date||December 2019 (Tentative)|
|IES Prelims Exam Date||05th January 2020|
|IES Prelims Result Date||February 2020 (Tentative)|
|IES Mains Exam Date||28th June 2020|
|IES Mains Result Date||August 2020|
|IES Interview Date||October / November 2020|
IES Eligibility Criteria
Only eligible candidates may proceed to apply for the IES 2020 exam. Provided they satisfy the below-mentioned criteria. Candidates are advised to cross check their eligibility before finally depositing the fee for the exam, as the amount is non-refundable under any circumstances whatsoever.
- Citizens of India are eligible to apply for the exam.
- Refugees of Nepal, Burma and Tibet who resided in India till 01st of January 1962 are also eligible to apply. Candidates who are originally from India but resided in other countries like Pakistan, Burma, Sri Lanka or East African countries of Kenya, Uganda, the United Republic of Tanzania, Zambia, Malawi, Zaire and Ethiopia or from Vietnam are eligible to apply, provided they settle down permanently in India upon successful selection.
- Candidates holding B.E / B.Tech degree from any recognized university of India or abroad under an Act of Parliament or declared to be deemed as Universities u/s 3 of the UGC Act, 1956.
- Candidates who have cleared the section A and section B of the institution exams conducted by the Institution of Engineers, India.
- Candidates who have successfully cleared the graduate membership examination conducted by the Institute of Electronics and telecommunications of Engineers, India.
- Candidates who have successfully passed the Associate Membership Examination Parts II and III/Sections A and B of the Aeronautical Society of India.
- Candidates who have successfully cleared the Graduate Membership Examination from the Institution of Electronics and Radio Engineers, London held after November 1959.
Candidates who have completed 21 years of age and have not exceeded 30 years as on 01st of August 2020 must apply. Candidates not falling in the age bracket should strictly not apply. In other words, only those candidates can apply who were born between 02nd of August 1989 and 01st of August 1999.
The age relaxation is not common to every category. Different categories have different age relaxations, and the same is tabulated below for information:
|Category||Upper Age Limit|
IES Application Form 2020
Once a candidate checks his eligibility criteria and finds himself qualifying to attempt the exam, he can apply for the IES 2020 exam by filling up the requisite application form. The application has to be filled online only.
The time window wherein the applicant can successfully submit the application form plus pay the fees is between 25th September 2019 and 10th October 2019. The applicant can download the application form from the official UPSC website and submit with all the documents through online submission only. No applications will be entertained after the deadline.
The candidates can follow these instructions while filling up the application form:
- Visit the official website of UPSC and click to apply on IES 2020 exam.
- After proper selection of the exam, fill in all the details properly in the application form.
- Cross check the details twice in both part 1 and part 2 of the application. Part 1 consists of all the personal details of the applicant like name, permanent address, contact details etc.
- Based on your category and other criteria, make sure you attach all requisite documents along with the application form. Keep a scanned photograph ready for uploading after filling up the application form.
- Also attach a scanned signature along with the documents submitted.
- Pay the requisite fee along with the application form.
- After paying fees, revise the application form again and make sure you haven’t missed out on any attachments. Thereafter, click the submit button to send the application.
- Once your application is successfully sent, you’ll receive a registration number of the sent application which you should use as reference for all future communications related to the exam.
Payment of fees for the exam can be made in two ways:
- Online mode: You can avail facilities like credit card/ debit card payments or internet banking facilities etc. to make the payment through online mode.
- Offline mode: Pay the requisite fee at any of the government recognized SBI branches and receive the challan as acknowledgment for the fee deposited. Soon after, this challan number can be entered in the application form so that your fee payment is successfully made.
Candidates belong to SC/ST categories, physically disabled applicants, and females are exempted from making any payments for the examination.
Below is the detailed fee structure for candidates:
|Category||IES Exam Application fee|
|Physically Challenged||No Fees|
IES Admit Card 2020
- The admit card is a very important document for the candidate and has to compulsorily carry it to the examination hall.
- The admit card suggests important details of the candidate like his name, contact details, registration no etc.
- Right after the candidates are screened and eligible candidates selected for attempting the prelims, the authorities will issue an admit card. The same can be downloaded from the official website of UPSC.
- For the prelims, the admit card can be expected to be available on the website by December 2019.
- Further, for candidates selected for the mains exam, the admit card shall be made available by June 2020.
IES Exam Pattern 2020
The IES 2020 exam shall be conducted by the UPSC in three stages, namely the prelims stage, mains stage and then the interview round. Let’s take each phase in detail:
- Exam comprises mostly of objective type of questions.
- The 1st paper is the General Studies paper which is for duration of 2 hours and carries a total of 200 marks.
- The 2nd paper is the subject specific engineering paper which is for a total duration of 3 hours and carries a total of 300 marks.
|PAPER-I||GENERAL STUDIES AND ENGINEERING APTITUDE||2 Hours||200|
|PAPER-II||ENGINEERING DISCIPLINE (CE/ ME/EE/E&T)||3 Hours||300|
- Exam paper consists of theoretical questions.
- The 1st paper is the subject specific engineering paper which is for a total duration of 3 hours and carries a total of 300 marks.
- The 2nd paper is also the engineering paper which is for a total duration of 3 hours and carries a total of 300 marks.
|PAPER-I||ENGINEERING DISCIPLINE-I (CE/ ME/EE/E&T)||3 Hours||300|
|PAPER-II||ENGINEERING DISCIPLINE-II (CE/ ME/EE/E&T)||3 Hours||300|
Interview / Personality test round
The interview round also carries a total of 200 marks.
Overall the prelims, mains and the interview round carry a total of 1300 marks.
The prelims consist of GS paper for 200 marks and engineering paper for 300 marks.
Questions shall be asked from the below mentioned 10 topics, each covering 5-10% of the entire paper. These topics are of general importance and asked to test knowledge on par with an engineer’s aptitude.
Syllabus topics to be studied for general studies paper includes:
- 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.
The mains paper consists of paper 1 and 2, each of 300 marks for 3 hours duration.
The detailed syllabus for each stream of engineering is specified as under:
Contents for syllabi of both the Papers together for Preliminary Examination/Stage-I (objective type Paper-II) and separately for Main/Stage-II Examination (Conventional type Paper-I and Paper-II).
PAPER – I
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.
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.
PAPER – II
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. 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.
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:
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.
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.
PAPER – I
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.
PAPER – II
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.
PAPER – I
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.
PAPER – II
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
PAPER – I
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.
PAPER – II
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.
- Once a candidate successfully clears the prelims and the mains round, he will be eligible to appear for the interview round.
- The exam is conducted for a maximum of 200 marks.
- Various aspects are tested in the personality test round to assess the candidate for the final selection; some of the points of assessment include:
- Mental aptitude and special capabilities.
- Suitability of personality to render civil services.
- Leadership qualities
- Intellectual potential
- Interest in current affairs, national and inetrantional.
- Energy of the candidate to pursue different higher roles.
- Proactiveness, enthusiasm to pursue the social role, and task defining personality.
Results are declared after every stage of the exam. Results are published for prelims, mains, and the interview round. Candidates are advised to check their results on the official website of UPSC.
Soon after every phase of the exam, the relevant answer keys are published on the official UPSC website for students to get the correct answer form for their attempted questions.
Based on the number of posts and vacancies available to fill up, the number of candidates applied for the exam, and the authorities decide the toughness of the exam, the cutoff percentage.
- The IES 2020 paper consists of both objective and theoretical papers. For problem solving, speed, accuracy as well as analytical thinking in problem solving is a must.
- For detailed papers, a good knowledge base of theoretical concepts from engineering is a must. Students must be in a position to apply the theoretical concepts practically in different situations.
- Memorize diagrams, equations, derivations, flow charts, and elaborate explanation rendering techniques.
- Build good communication and interpersonal skills.
- Practice well, and manage your time wisely.
- Refer to previous year papers and attempt mock tests.
- Prepare good notes for all the technical studies part.
- Allocate equal time for GS and engineering papers.
Roles and Responsibilities of IES officers
- Once selected as IES officers after selection, they may be designated as an Assistant Executive Engineer or Assistant Director
- Once got 5-6 years of experience, they’re promoted to the director or work manager, or executive engineer.
- Once got 8 years of experience, they have promoted deputy general manager or joint director.
- Once got 13-14 years of experience, they’re capable of getting promoted to chief engineer of level 2 or joint general manager.
- Once they got more than 15 years of experience, they can appoint in the position of the senior general manager or engineer-in-chief.
- Once got more than 34 years of experience, they will become chairman or managing director of a governmental organization.
Hence, becoming an IES officer is quite a tough task. The preparation process needs to be comprehensive as well as perfect. The candidates are recommended to prepare this civil service exam in a strict deadline to qualify it.
The fact is that numerous people take participated in IES every year, but only candidates who worked hard a lot can qualify. Hence, prepare this exam enthusiastically to clear it.