ABOUT IES Electronics Engineering EXAM

Indian Engineering Services comprise of engineers who work under the government of India and designated as Class – 1 officer. They administer a large segment of the public sector economy, which constitutes of Indian Railways, Power, Telecommunications, Central Water engineering, Defence service of Engineers, Central Engineering Service, etc. The nature of work performed by these bureaucrats largely depends on their engineering branch and the service or cadre they are recruited in. The career progression goes smoothly attaining high esteem.

A combined competitive examination is conducted by the Union Public Services Commission (UPSC) for recruitment to the Indian Engineering Services.

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Exam Information

Union Public Service Commission, Indian Engineering Services Examination (IES):

Branch: Electronics & Telecommunication Engineering

The syllabus for the two papers is as following  (Paper-1 and paper-2)

Paper-1 (Preliminary Examination, Stage-1)

 General Studies and engineering Aptitude:
1.    Current affairs of national and international importance related to social, economic and industrial development.
2.    Engineering Aptitude with Logical Reasoning and Analytical ability.
3.    Engineering Mathematics and Numerical Analysis.
4.    Principles of Design, Drawing, Importance of safety.
5.    Standard and quality practices in production, construction, maintenance and services.
6.    Basics of energy conservation, Environmental pollutions and degradation, climate change , Environmental impacts.
7.    Basics of Project Management.
8.    Basics of Material Science and Engineering.
9.    Tools and their applications in Engineering such as networking, e-governance and technology based education, based on Information and communication Technology (ICT).
10.    Ethics and values in Engineering Profession.
Paper-2 (Preliminary Examination, Stage-1)
Electronics & Telecommunication Engineering
1.    Basic Electronics & Telecommunication Engineering
2.    Basic electrical Engineering
3.    Materials Science
4.    Electronic Measurements and Instrumentation
5.    Network Theory
6.    Analog and Digital Circuits
7.    Analog and Digital Communication system
8.    Control Systems
9.    Computer Organization and Architecture
10.    Electro magnetic
11.     Advance Electronics 
12.    Advanced Communication
Paper-1 (Mains Examination, Stage -2)

  1.  Basic Electronic Engineering:
  •  Basics of semiconductors, 
  • Basics and characteristics of Diode/ Transistor, 
  •  Different uses of Diodes, 
  •  Junction field effect transistors (JFETs), MOSFETs, BJTs, 
  •    Different types of Transistor amplifiers, 
  • Oscillators and other circuits, Basics of Integrated Circuits (ICs), 
  • Bipolar, MOS and CMOS ICs, 
  •  Basics of linear ICs, Linear and non-linear operational amplifiers and their applications, 
  •  Optical sources and detector, 
  • Basics of opto electronics and its applications

       2.Basic Electrical Engineering:

  • DC circuits-ohm’s and Kirchoff’s laws
  •  Mesh and Nodal Analysis
  • Circuit Theorems
  • Electro-magnetism
  •   Faraday’s and Lenz’s laws
  • Induced EMF and its uses
  • Single-phase AC circuits
  •  Transformers
  • Efficiency
  •  Basic-DC machines
  •  Induction and Synchronous Machines
  • Basics of Electrical power sources: hydroelectric, thermal, nuclear, wind, solar
  •  Basics of batteries and their uses.

  3. Material Science:

  •  Electrical Engineering materials
  • Crystal Structure and defects
  •  Composites and structure of Ceramic materials 
  • Processing and uses of Ceramic materials  
  • Structure, properties and uses of Insulating laminates for electronics
  •  Basics, classification, ferrites of magnetic materials, components of ferro/para-magnetic materials
  • Basics, preparation, purification, sintering of Nano Materials, Nano particles and its uses.
  • Nano-optical, Nano-magnetic and Nano-electronic materials and uses.
  •  Superconductivity and its uses.

4. Electronic Measurement and Instrumentation:

  • Principles, accuracy, precision and standards of measurement
  • Analog and Digital systems for measurement, Measuring instruments for different applications
  •  Static and Dynamic characteristics of measurement systems, Errors, statistical analysis and curve fitting for measurement system.
  •  Measurement systems for non-electrical quantities.
  •  Basics of telemetry
  • Different types of transducers and displays
  • Data acquisition system basics.

   5. Network Theory:

  • Network graphs and matrices
  • Wye-Delta transformation
  •  Linear constant coefficient differential equations- time domain analysis of RLC circuit.
  • Solution of network equations using Laplace transforms-frequency domain analysis of RLC circuit.
  •  2-Port network parameters -driving point and transfer functions
  • State equations for networks
  •  Steady state sinusoidal analysis

  6.  Analog and Digital Circuits:

  •  Small signal equivalent circuits of diodes and BJTs and FETs.
  • Diode circuits for different uses
  • Biasing and stability of BJT & JFET amplifier circuits.
  • Single and multi-stage analysis and design of amplifiers.
  • Feedback and uses
  • Active filters, Timers, Multipliers, Wave shaping, Analog to digital and Digital to Analog converters.
  •  Boolean-Algebra and its uses.
  •  Logic gates, Digital IC families, Combinatorials and Sequential circuits
  • Basics of multiplexers, Counters, registers, memories, microprocessors, design and applications.

Paper-2 (Mains Examination, Stage -2)

  1.Analog and Digital Communication Systems:

  • Random Signals, noise, probability theory, information theory
  •  Analog versus Digital communication and applications like AM, FM transmitters and     receivers systems and Theory, practice and standards of system, SNR comparison.
  • Basics of Digital Communication as Sampling, Quantizing, Coding, PCM, DPCM, Multiplexing-audio and video.
  • Digital Modulation as ASK, FSK, PSK
  •  Multiple access as TDMA, FDMA, CDMA
  •  Fibre optics, Theory, practice and standards of Optical communication.

   2. Control Systems:

  • Classification of signals and systems
  • Application of signal and system theory.
  • System realization
  • Transformation & their applications
  •  Signal Flow graphs, Routh-Hurwitz criteria, root loci, Nyquist and Bode plots
  • Open and close loop types, Stability analysis, Steady state, transient and frequency response analysis in Feedback Systems.
  • Design of control systems, compensators, element of lead/ lag compensation, PID and industrial controllers.

   3.Computer Organization and Architecture:

  • Basic Architecture, CPU, Input/output organization, Peripheral devices and trends.
  • Hardware and Software issues.
  • Data representation and Programming.
  • Characteristics, process, applications and basics of Operating System.
  •  Memory management, Virtual memory, file-systems, protection and security.
  •     Characteristics, Design and different types of data bases.
  •     Transactions and concurrency control
  •     Elements of programming languages and their typical examples.

    4. Electro Magnetic:

  •  Elements of vector calculus, Basic concepts of Maxwell’s equations.
  • Gauss’s and Stokes Theorems.
  • Wave propagation through different media.
  •  Different types and basics of Transmission Lines, Smith’s chart, impedance matching and transformation, S-parameters, uses of Pulse excitation.
  •  Basics of Waveguides, Rectangular types, Modes, cut-off frequency, dispersion, dielectric types, Antennas-radiation pattern, monopoles and dipoles, gain, Theory and uses of Active and passive arrays.

    5. Advanced Electronics:

  • Processing, Testing, packaging, lithography, interconnects of VLSI technology
  • Principles and MUX, ROM and PLA based design of VLSI, Moore and mealy circuit design
  • Concepts and Functions of Pipelines.
  •  Examples and design for testability.
  • Uses of DSP, Discrete time signals and systems.
  •  FIR and IIR types, design, speech, audio, radar signal processing and uses of Digital Filters
  •  Basics of Microprocessors and Microcontrollers, interrupts, DMA, instruction sets, interfacing.
  • Controllers and their uses.
  • Embedded systems.

 6. Advance Communication:

  • Principles, practices, technologies, uses, security and OSI model  of Communication Networks.
  • Basic packets, Multiple-streams and scheduling.
  • Types, analysis and Protocols (TCP/TCPIP) of Cellular networks.
  • Microwave and satellite communication as Terrestrial and space type LOS systems, block schematics link calculations, System design
  • Communication satellites, orbits, characteristics, systems and uses.
  •  Fibre-optic communication systems, block schematics, link calculations, system design. 

UPSC IES Exam Pattern:
 The total marks for 3 stages are 1300.
1.    Preliminary Examination: Preliminary Exam is having two papers in a day. Both papers are of objective types..

  • Paper-1 :  This paper includes GENERAL STUDIES & ENGINEERING APTITUDE . The time duration of this paper is 2 hours. The total marks for this paper is 200 marks.
  • Paper-2: This Paper includes Engineering Discipline. The time duration of this paper is 3 hours. The total marks for this paper is 300 marks.

2.    Mains Examination: Mains exam is also having two papers in a day. Both papers are of conventional type.

  • Paper-1:  This paper includes Engineering discipline-1 and the time duration of this paper is 3 hours. The total marks for this paper is 300 marks.
  • Paper-2:  This paper includes Engineering discipline-2 and the time duration of this paper is 3 hours. The total marks for this paper is 300 marks.

3.    Personality Test:  This  is the final round which includes personal interview process. The total marks for this stage is 200. 

Qualification Content:

Nationality of a candidate :
•    He/She is should be a citizen of India  OR
•    He/She is should be a subject of Nepal or A subject of Bhutan OR
•    He/She is should be a Tibetan refugee who came over to Indian before the 1st January, 1962 with the intention of permanently settling in India.
 Age Limits:
•    A candidate must have attained the age of 21 years and must not have attained the age of 30 years on the 1st January, of the exam year.
•    The upper age-limit of 30 years will be relaxable up to 35 years if the candidate is a Government servants of the following categories, if they are employed in a Department/Office under the control of any of the authorities.
Minimum Educational Qualifications:
•    Obtained a degree in Engineering from a from a recognized institute or university. (OR)
•    Passed Section A and B of the Institution Examinations of the Institution of Engineers (India) (OR)
•    Obtained a degree/diploma in Engineering from such 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

Other Information:

  • Three tier examples which includes Preliminary (stage-1), Mains (Stage-2) and Personality test which make screening process of candidates easier.
  • In Preliminary examination, the questions are of objective types and  in Mains examination, the questions are of Conventional type.
  • Candidates who qualify the Preliminary are permitted to appear for Mains.
  • English is not there in any paper.
  • Recently the weightage of Mains has been changed from 500 to 600 and weightage of  Preliminary has been changed from 600 to 500.
  • Now the total marks for all the three rounds are 1300.