UPSC IES Mock Test, Syllabus & Pattern
Prepare online for the UPSC IES Recruitment Exam. Get access to online mock tests, practice papers, full syllabus, and pattern details.
Hired under Union Public Service Commission for the post of Engineer.
Recruitment Highlights
- Total Vacancies: 474
- Applicants Volume: TBD
- Pay Scale / Salary: 15,600 - 39,100
- Eligibility Criteria: Undergraduate/Graduate
- Last Date to Apply: 2025-10-15
Exam Selection Stages
- Prelims
- Mains
Detailed Exam Syllabus & Criteria
Overview
The Union Public Service Commission has released the UPSC ESE eligibility criteria 2025 in the official notification. Candidates are advised to refer to the eligibility criteria before filling the online application form. The eligibility criteria of UPSC ESE 2025 comprise age limit, educational qualification, Nationality and other conditions. The age limit to apply for the UPSC ESE 2026 exam is 21 to 30 years. Candidates from the reserved category are eligible for age relaxation as per the rules. As per the UPSC ESE eligibility criteria, applicants must have completed their graduation in the respective engineering trade. Candidates must have valid documents to prove their claim of fulfilling the eligibility criteria for the UPSC ESE exam. Candidates who fail to fulfil the ESE eligibility criteria at the time of the selection process will be declared ineligible. For more information, candidates can refer to the article provided below.
UPSC ESE Notification 2026 PDF Out: Click to Download
Overview
The UPSC Indian Engineering Service examination is one of the most aspired examinations in India. Every year, a huge number of engineers appear for the UPSC ESE examination. Through this examination, the candidates can get an opportunity to serve the country with the help of his/her engineering skills. The exam authority mentions the UPSC ESE salary on the official website. The salary of UPSC ESE officers is quite attractive and is decided based on the Pay Matrix Level 10 of the 7th Pay Commission. The starting basic pay of a newly recruited ESE officer is Rs. 56,100. Along with the basic pay, they are entitled to several other benefits such as Dearness Allowance, House Rent Allowance, Transport Allowance, and many more. Overall, the UPSC ESE salary is considered to be one of the highest-paying jobs for engineers in India.
- The selection of candidates is done through the prelims and mains exams. Each examination stage consists of two papers.
- The final selection is done on the basis of an interview. Hence, the selection process is not a cakewalk.
- The candidates need to study hard in order to crack the UPSC ESE /IES examination.
- This article will try to sow the seeds of motivation in the candidates by providing details on UPSC ESE salary structures and other benefits that the IES officers will enjoy. Candidates must note that the given information in this article depends on various factors like service, post, experience, etc.
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UPSC ESE Roles and Responsibility
The career profile and job responsibilities of UPSC IES candidates are determined by the service to which they are assigned. The job roles and responsibilities of IES officers vary based on the service and department in which they are appointed. Some of the responsibilities of IES officers are as follows:
- IES Officers are typically responsible for performing various managerial and technical tasks.
- Their work is mainly administrative in nature.
- As the employee gains experience, the scope of their supervision increases.
- They may be responsible for project management and execution.
- IES officers may need to navigate bureaucratic procedures by contacting government representatives.
- As they progress in designation and experience, they are given the power to contact concerned ministers.
The following is a list of organisations and cadres where IES officers work:
- Indian Railway Service
- Indian Supply Service
- Indian Navy Armaments Service
- Central Water Engineering
- Central Power Engineering Service
- Indian Army Engineering Service
- Indian Ordnance Factory
- Defense Service Engineering Corps
- Geological Survey of India
- Border Roads Engineering Service
- Central Electrical and Mechanical Service
- Central Engineering Service for Roads
UPSC IES In Hand Salary
The upsc ies salary will be subjected to various deductions. Hence the in-hand salary of the IES officers varies with the gross salary. The in-hand upsc ies salary is also subjected to the location of posting and allowances applicable. The salary will be subjected to the following deductions.
- Income Tax
- Employer’s Provident Fund
- Professional Tax
- Gratuity
- Central Government employees group insurance scheme
Know the latest updated UPSC IES Exam Pattern
UPSC ESE Salary - Promotion/Rank Wise
We have given the UPSC IES Salary based on promotion and rank in detail in the table below.
| Rank/Level | Pay Scale | Grade Pay | Time Frame |
| --- | --- | --- | --- |
| Junior level | INR 15,600 – INR 39,100 | INR 5400 | |
| On Joining | Senior Scale | INR 15,600 – INR 39,100 | |
| INR 6600 | 5 – 6 years of joining | Junior Administrative Grade | |
| INR 15,600 – INR 39,100 | INR 7600 | Minimum 10 years after joining | |
| Selection grade scale( Chief Engineer L2 / Jt. G M ) | INR 37400 – INR 67000 | INR 8700 | |
| 20 years or more after joining | Super time grade (Chief Engr. /Additional GM) | INR 37400 – INR 67000 | |
| INR 8700 | | Cabinet Secretary Grade | |
| INR 90,000 | N/A | Fixed | |
| Apex Pay Scale | INR 80,000 | N/A | |
| Fixed | | | |
Check out the latest UPSC IES Exam date
UPSC IES Perks & Benefits
It takes a lot of hard work and preparation to crack the UPSC IES examination. But this extreme hard is rewarded not only with a handsome salary package but also with numerous perks and benefits.
- Residential Quarters or HRA
- Dearness Allowance
- Official Vehicle
- Gratuity
- CGHS medical facility
- Personal Assistant
- Leave Travel Allowance/ Tour Allowance
- Provident Fund
- Leave Encashment, etc.
The perks and allowances may differ from service to service and post to post. It also depends on the posting of the officer.
Know how to download UPSC IES Admit Card.
UPSC ESE Salary - Probation Period
In the case of candidates who get hired in the Indian Railways through UPSC ESE, the candidates are placed under training for a period of 18 months. They are trained in the National Academy of Indian Railways (NAIR). The entire training period is divided into various phases. The training begins with the General Introduction and ends with the attachment with the concerned Ministry.
UPSC ESE Allowances
The UPSC IES officers are entitled to various allowances depending on the city of their posting. The following table provides a city-wise list of the allowances that an IES officer is eligible to receive:
| City | House Rent Allowance (HRA) | Transport Allowance (TA) |
| --- | --- | --- |
| X Class Cities (Population >= 50 lakh) | 24% of Basic Pay | |
| Rs. 3,600 | Y Class Cities (Population 5-50 lakh) | |
| 16% of Basic Pay | Rs. 1,800 | |
| Z Class Cities (Population < 5 lakh) | 8% of Basic Pay | |
| Rs. 900 | | |
Note: The above-mentioned allowances are based on the 7th Pay Commission and are subject to change as per the government norms. Also, the list of cities classified under X, Y, and Z categories may vary depending on the current population statistics.
UPSC ESE Salary - Career Growth & Promotion
Unlike many other jobs, the IES officers climb the ladder of hierarchy with experience. The following are the various posts which will be offered to the IES officers with experience. The officers will be initially inducted as an Assistant Executive Engineer and can end up being Chairperson or the Cabinet-level officer.
- The candidate will be selected as an Assistant Executive Engineer or Assistant Director.
- After an experience of 3 to 4 years, the candidate will be promoted to Executive Engineer or Director.
- After 13 years of experience, the candidate will be appointed as a Joint General Manager or Chief Engineer of level 2.
- After 20 years of experience, the candidate will be promoted to the post of Additional General Manager or Chief Engineer.
- After 30 years of experience, the candidate will become a Senior General Manager.
- The final promotion will come after gaining experience of 34 years when the candidate will become a Managing Director or Chairperson of the governmental organization.
If you are preparing for the exam then you can download UPSC IES exam Previous Year Papers here
Hopefully, this article on the UPSC IES Job Profile was useful. This article was intended to motivate and inspire the aspirants so that they work hard on their preparation. The candidates can also download the textbook App to get access to the appropriate study materials and mock quizzes.
Overview
The Union Public Service Commission mentions the UPSC ESE exam pattern in the official notification. Applicants appearing in the exam are advised to check the ESE exam pattern for their preparation. The exam pattern comprises a marking scheme, the number of questions, the duration of the exam and other information. The authority releases the UPSC ESE exam pattern separately for the prelims and mains exams. As per the UPSC ESE exam pattern, the prelims exam will be conducted for a duration of 5 hours (Two Papers), and the Mains exam will be conducted for 6 hours (2 Papers). THE UPSC ESE prelims exam will have objective-type multiple-choice questions, while the Mains exam will be descriptive in nature. UPSC ESE 2026 prelims exam is scheduled to be conducted on 8th February. For more details about the UPSC ESE exam pattern 2026, candidates can refer to the article provided below.
| Free UPSC ESE Questions PDF | Download Link | Most Asked Mechanical Questions in UPSC ESE Exam | Click Here |
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UPSC ESE Exam Pattern 2026
The Union Public Service Commission mentions the UPSC ESE 2026 exam pattern in the official notification. The exam pattern is provided separately for the prelims and mains exams. Referring to the exam pattern helps candidates to understand the scheme of the exam. It also helps candidates to prepare an effective strategy to ace the exam with a good score. Applicants can check the UPSC Engineering Services Examination exam pattern for the prelims and mains exams from below.
UPSC ESE Prelims Exam Pattern 2026
The exam authority has mentioned the ESE exam pattern in the official notification. The prelims exam will consist of two papers, namely General Studies & Engineering Aptitude, and a paper based on the engineering discipline. Both papers of the UPSC ESE prelims exam will have objective-type questions. Both papers of the prelims exam will be conducted in offline pen and paper mode. Paper 1 consists of 100 questions, and the total marks will be 200. Paper 2 of the UPSC ESE prelims exam consists of 150 questions, and the total marks will be 300. For each wrong answer, 1/3rd mark will be deducted. UPSC ESE prelims exam paper 1 will be conducted for a duration of 2 hours, and Paper 2 will be of a duration of 3 hours.
| Paper | Subject | Total Marks | Duration (hours) | Paper 1 |
| --- | --- | --- | --- | --- |
| General Studies & Engineering Aptitude | 200 | 2 hours | Paper 2 | |
| Concerned Engineering Stream(Civil/Electrical/Mechanical/Electronics & Telecommunication Engineering) | 300 | 3 hours | Total | 500 |
| - <br> UPSC ESE Mains Exam Pattern 2026 <br> The UPSC IES main examination is a descriptive-type exam consisting of 2 papers of 300 marks each. Both papers will be as per the respective engineering stream selected by the candidate. The duration of each paper will be 3 hours. UPSC ESE 2026 Mains exam will have questions from the opted Engineering discipline (Civil Engineering/ Mechanical Engineering/ Electrical/ Electronics & Telecommunication Engineering). The details of the UPSC IES Mains Exam Pattern have been given below: | Papers | Marks | Duration | |
| Paper 1 Civil/Electrical/ Mechanical/ Electronics & Telecommunication | 300 | 3 Hours | Paper 2 Civil/Electrical/ Mechanical/ Electronics & Telecommunication | 300 |
| 3 Hours | Total | 600 Marks | 6 Hours <br> Attempt UPSC ESE (IES) Civil Mock Test here and know your overall preparation. | |
| Civil Engineering Notes | Mechanical Engineering Notes | Electrical Engineering Notes | | |
UPSC ESE Personality Test 2026
Candidates securing minimum cut-off marks as decided by the Commission will be called for the Personality test. The number of candidates called for the Personality Test will be about twice the number of vacancies to be filled under this recruitment. In the Personality Test, candidates will be tested on their capacity for leadership, initiative and intellectual curiosity, tact and other social qualities, physical and mental energy, powers of practical application and integrity of character. This test will comprise 200 marks.
Attempt UPSC IES Electronics Mock Test here and check your preparation level
We hope this article on the UPSC IES Exam Pattern was informative and helpful. Download the Testbook App to prepare for this exam with the best resources like previous year papers, mock tests, etc.
Overview
The Union Public Service Commission has released the UPSC ESE syllabus 2026 along with the official notification. Candidates appearing in the exam are advised to go through the ESE syllabus 2026 for their preparation. The syllabus is released separately for all the disciplines. The UPSC Engineering Services Examination (ESE) Syllabus 2025 is divided into three stages, the Preliminary Exam, the Main Exam, and the Interview. The Preliminary stage features an objective type paper covering General Studies and Engineering Aptitude, including topics such as current issues, engineering aptitude, mathematics, project management, ICT, and environmental studies. The ESE Main Exam focuses on the candidate’s specific engineering discipline, Civil, Mechanical, Electrical, or Electronics Engineering and includes both descriptive and objective-type questions.
The UPSC ESE syllabus 2026 comprises important topics and chapters asked in the exam. Referring to the syllabus helps candidates to prepare an effective strategy to ace the exam with a good score. Applicants should keep the UPSC ESE syllabus PDF with them throughout their preparations. Along with the syllabus, candidates can also refer to the UPSC ESE exam pattern 2026 to understand the scheme of the exam. UPSC ESE 2026 prelims exam is scheduled to be conducted on 8th February. For more details about the UPSC ESE syllabus 2026, candidates can refer to the article provided below.
UPSC ESE Syllabus PDF: Click to Download
UPSC ESE Syllabus 2026
The UPSC Engineering Services Exam (ESE) examination has 2 written exams - prelims exam and the mains exam. UPSC ESE prelims exam has 2 papers, paper 1 will have questions based on General Studies & Engineering Aptitude which is common for all candidates. Paper 2 will have questions based on the stream. UPSC ESE mains exam will have 2 descriptive papers based on the engineering stream. Since the exam is discipline-specific, we will cover the UPSC ESE syllabus as per Civil, electrical, Mechanical, Electronics & Telecommunication. The detailed subject syllabus is mentioned below.
UPSC ESE General Studies & Engineering Aptitude Syllabus
This section will have questions based on the recent news and events, as well as the basics of Engineering. The important topics are listed below:
| UPSC ESE Syllabus | Current issues (national and international) <br> Environment: Conservation, environmental pollution & Hazards, Climate Change, etc. <br> Production & construction <br> Maintenance <br> General Principles of Design & Drawing, <br> Importance of Safety <br> Material Science |
| --- | --- |
| Information and Communication Technologies (ICT) <br> Project Management <br> Ethics and values in the Engineering profession <br> Basics of Energy <br> Logical reasoning and Analytical ability <br> Engineering Mathematics <br> Check out UPSC IES Salary and job profile | |
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UPSC ESE Civil Syllabus 2026
The exam authority mentions the UPSC ESE syllabus for the Civil engineering discipline in the official notification. Candidates can check the ESE Civil syllabus for their preparations. For more information, candidates can refer to the table provided below.
UPSC ESE Syllabus for Civil Engineering Paper 1
The UPSC ESE Civil Engineering Syllabus for Paper 1 covers core topics important for civil engineering aspirants. It includes subjects like Building Materials, Structural Analysis, Design of Steel and Concrete Structures, and Construction Practice. This paper tests the candidate’s fundamental understanding and problem-solving ability in civil engineering concepts.
| Topics | Paper 1 Civil Engineering Syllabus |
| --- | --- |
| Structural Analysis | Basics of strength of materials, Types of stresses and strains, Bending moments and shear force, the concept of bending and shear stresses; Analysis of determinate and indeterminate structures, 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 |
| 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 |
| 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 |
| 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 | |
| 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 |
| 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 <br> Ace UPSC ESE Exam With Free UPSC IES Civil Test Series <br> UPSC ESE Syllabus for Civil Engineering Paper 2 <br> The UPSC ESE Civil Engineering Paper 2 Syllabus 2025 focuses on advanced and application-based topics. It includes Fluid Mechanics, Hydrology, Irrigation Engineering, Environmental Engineering, Transportation, and Geotechnical Engineering, helping candidates demonstrate in-depth technical knowledge in their discipline. | |
| Topics | |
| Paper 2 Civil Engineering Syllabus | |
| Flow of Fluids, Hydraulic Machines and Hydro Power | |
| Fluid Mechanics, Open Channel Flow, Pipe Flow, Hydraulic Machines and Hydropower | |
| 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, canal and drainage design, Gravity dams, falls, weirs, Energy dissipators, 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. | |
| Environmental Engineering | |
| Water Supply Engineering, Waste Water Engineering, Solid Waste Management, Air, Noise pollution, and Ecology | |
| Geotechnical Engineering and Foundation Engineering | |
| 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. <br> 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. | |
| Surveying and Geology | |
| Classification of surveys, various methodologies, instruments & analysis of measurement of distances, elevation, and directions; Field astronomy, Global Positioning System; Map preparation, Survey Layout for culverts, canals, bridges, road/railway alignment, and buildings, Setting out of Curves. <br> Basic knowledge of Engineering geology & its application in projects | |
| Transportation Engineering | |
| Highways - Planning & construction methodology, Alignment, and geometric design; Traffic Surveys and Controls | |
Railways Systems – Terminology, Planning, designs, and maintenance practices; track modernization.
Harbours – Terminology, layouts and planning. Airports – Layout, planning & design.
Tunnelling - Alignment, methods of construction, disposal of muck, drainage, lighting, and ventilation.
UPSC ESE Syllabus 2026 for ECE
The syllabus for the ESE exam, Electronics and Telecommunication Engineering divisio,n is listed below:
UPSC ESE ECE Syllabus for Paper 1
The UPSC ESE ECE Syllabus for Paper 1 focuses on fundamental engineering concepts and general aptitude. It includes topics like Engineering Mathematics, Reasoning, General Studies, and Engineering Aptitude, helping candidates strengthen their core analytical and problem-solving skills essential for the Electronics and Communication Engineering exam.
| Topics | Paper 1 Electronics and Telecommunication Engineering Syllabus |
| --- | --- |
| Basic Electronics Engineering | |
| Basics of semiconductors, Junction & Field-Effect Transistors, Transistor amplifiers of different types, oscillators, and other circuits; Basics of Integrated Circuits (ICs); Bipolar, MOS and CMOS ICs, Optical sources/detectors | |
| Analog and Digital Circuits | |
| Small signal equivalent circuits of diodes, Active filters, timers, multipliers, waveshaping, A/D-D/A converters; Boolean Algebra & uses; Logic gates, Digital IC families, Combinatorial/sequential circuits, BJTS, and FETs, Analysis/design of amplifier single/multi-stage | |
| Network Theory | |
| Network graphs & matrices; Wye-Delta transformation; Linear constant coefficient differential equations- time-domain analysis of RLC circuits; 26 Solution of network equations using Laplace transforms- frequency domain analysis of RLC circuits; 2-port network parameters, State equations for networks; Steady state sinusoidal analysis. | |
| 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, nanoparticles and uses; Nano-optical/magnetic/electronic materials |
| 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 | |
| Basic Electrical Engineering | DC circuits ohm's & Kirchoff’s laws, mesh and nodal analysis, circuit theorems; Electromagnetism, 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 <br> UPSC IES Electronics Mock Test <br> UPSC ESE ECE Syllabus for Paper 2 <br> The UPSC ESE ECE Syllabus for Paper 2 includes core technical subjects from Electronics and Communication Engineering. It covers areas such as Analog and Digital Circuits, Control Systems, Communications, Signal Processing, Electromagnetics, and Microprocessors, allowing candidates to showcase their advanced engineering knowledge and technical proficiency. |
| Topics | |
| Paper 2 Electronics and Telecommunication Engineering Syllabus | |
| 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. | |
| 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. | |
| Advanced Communication Topics | Communication Networks: Principles /practices /technologies /uses /OSI model/security; Basic packet multiplexed streams/scheduling; Cellular networks, types, analysis, protocols (TCP/TCPIP) <br> 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. |
| 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. | |
| 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. |
| 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; Databases, different types, characteristics, and design; Transactions and concurrency control; Elements of programming languages, typical examples. |
UPSC ESE Electrical Syllabus 2026
The syllabus for the UPSC ESE exam Electrical Engineering division is listed below:
UPSC ESE Electrical Syllabus for Paper 1
The UPSC ESE Electrical Syllabus for Paper 1 focuses on general engineering and analytical skills essential for electrical engineers. It includes Engineering Mathematics, General Studies, Reasoning, and Engineering Aptitude, helping candidates build a strong foundation for the technical and managerial aspects of the Engineering Services Examination.
| Topics | Paper 1 Electrical Engineering Syllabus |
| --- | --- |
| Engineering Mathematics | Matrix theory, Eigen values & Eigen vectors, system of linear equations, Numerical methods for the solution of non-linear algebraic equations and differential equations, probability and statistics fundamentals, Sampling theorem, random variables, Normal and Poisson distributions, correlation and regression analysis, 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 |
| Electrical Materials | |
| Electrical Engineering Materials, crystal structures, and defects, ceramic materials, insulating materials, magnetic materials – basics, properties and applications; ferrites, ferromagnetic materials, and components; basics of solid-state physics, conductors; Photo-conductivity; Basics of Nano materials and Superconductors. | |
| 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, and spherical charge distributions, Ampere’s and Biot-Savart’s laws; inductance, dielectrics, capacitance; Maxwell’s equations,basic filter concepts, two-port networks, three-phase circuits, Magnetically coupled circuits, Gauss Theorem, electric field and potential due to point, line, plane |
| Electrical and Electronic Measurements | |
| Principles of measurement, accuracy, precision, and standards; Bridges and potentiometers; moving coil, moving iron, dynamometer and induction type instruments, Basics of sensors, Transducers, basics of data acquisition systems, measurement of voltage, current, power, energy and power factor, instrument transformers, digital voltmeters and multimeters, phase, time and frequency measurement, Q-meters, oscilloscopes, potentiometric recorders, error analysis | |
| Computer Fundamentals | Peripheral devices, data representation and programming, basics of Operating system, and networking, virtual memory, file systems; Elements of programming languages, typical examples, Number systems, Boolean algebra, arithmetic functions, Basic Architecture, Central Processing Unit, I/O and Memory Organisation |
| 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. <br> Download UPSC IES Previous Year Papers. <br> UPSC ESE Electrical Syllabus for Paper 2 | |
| Topics | |
| Paper 2 Electrical Engineering Syllabus | |
| Analog and Digital Electronics | |
| 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, Operational amplifiers, combinational and sequential logic circuits, multiplexers, multivibrators, sample and hold circuits, A/D and D/A converters, basics of filter circuits and applications, simple active filters | |
| Systems and Signal Processing | |
| Representation of continuous and discrete-time signals, Shifting and scaling operations, linear, time-invariant and causal systems, Discrete Fourier transform, FFT, linear convolution, discrete cosine transform, FIR filter, IIR filter, bilinear transformation, Fourier series representation of continuous periodic signals, sampling theorem, Fourier and Laplace transforms, Z transforms | |
| Control Systems | |
| 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, Principles of feedback, transfer function, block diagrams and signal flow graphs, steady-state errors, transforms and their applications; | |
| Electrical Machines | Single-phase transformers, three-phase transformers - connections, parallel operation, auto-transformer, energy conversion principles, DC machines, generator characteristics, armature reaction and commutation, starting and speed control of motors, Induction motors, Synchronous machines |
| Power 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, 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, distributed generation, solar and wind power, smart grid concepts, environmental implications, fundamentals of power economics. | |
| Power Electronics and Drives | |
| Semiconductor power diodes, transistors, thyristors, triacs, GTOs, MOSFETs and IGBTs, 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. | |
Check out previous year UPSC IES Cut off
UPSC ESE Mechanical Syllabus 2026
The syllabus for the UPSC ESE exam's Mechanical Engineering division is listed below:
UPSC ESE Mechanical Syllabus for Paper 1
| Topics | ESE Mechanical Engineering Syllabus |
| --- | --- |
| 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. |
| 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 | |
| IC Engines, Refrigeration and Air conditioning | |
| Vapour compression refrigeration, Refrigerants, and Working cycles, Compressors, Condensers, Evaporators and Expansion devices, SI and CI Engines, Engine Systems and Components, Performance characteristics, and testing of IC Engines; Fuels; Emissions and Emission Control. Other types of refrigeration systems like Vapour Absorption, Vapour jet, thermoelectric, and Vortex tube refrigeration. Psychometric properties and processes, Comfort chart, Comfort and industrial air conditioning, Load calculations, and Heat pumps. | |
| 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, Rotary Compressors | |
| Renewable Sources of Energy | |
| Plate and focusing collectors their materials and performance. Solar Thermal Energy Storage, Applications, Bio-mass and Tidal Energy | |
| 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 <br> UPSC ESE Mechanical Engineering Syllabus for Paper 2 |
| Topics | |
| ESE Mechanical Engineering Syllabus | |
| Engineering Materials | |
| Basic Crystallography, Alloys and Phase diagrams, Heat Treatment, Ferrous, and Non-Ferrous Metals, Nonmetallic materials, Basics of Nano-materials, Mechanical Properties and Testing, Corrosion prevention and control | |
| 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. | |
| Manufacturing, Industrial and Maintenance Engineering | 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. 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. |
| 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 SystemsMathematical modelling 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 |
| 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. | |
| 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 aircraft, Governors. | |
Know the entire UPSC IES Selection Process
UPSC ESE Prelims Exam Pattern 2026
The prelims exam will consist of two papers namely General Studies & Engineering Aptitude and paper based on engineering discipline. Both these papers will be objective type. 1/3rd marks will be deducted for every wrong answer.
| Paper | Subject | Total Marks | Duration (hours) | Paper 1 |
| --- | --- | --- | --- | --- |
| General Studies & Engineering Aptitude | 200 | 2 hours | Paper 2 | |
| Concerned Engineering Stream | 300 | 3 hours | Total | 500 |
| - | | | | |
We hope that this article about UPS ESE Syllabus for prelims and mains examination will be helpful for you. Ensure that you study each topic and practice questions on them to improve your score in the UPSC IES exam. If you have any queries do mention in the moment section. Meanwhile, Download the free Testbook App to get access to study material of various competitive and government exams.
