GATE Syllabus 2027 Out for CSE, ECE, EEE, ME, CE and Other Subjets - Download All Subject PDFs

Participial

Details

Exam

GATE 2027

Organizing Authority

IIT Madras

GATE 2027 syllabus release date

2026

GATE official website

gate2027.iitm.ac.in.

Sections in GATE 2027 syllabus

• General Aptitude

• Engineering Mathematics

• Core Engineering Disciplines

Total no of questions

30

Paper-wise Syllabus

Aerospace Engineering

Geology & Geophysics

Agricultural Engineering

Instrumentation Engineering

Architecture and Planning

Mathematics

Biomedical Engineering

Mechanical Engineering

Biotechnology

Mining Engineering

Civil Engineering

Metallurgical Engineering

Chemical Engineering

Naval Architecture & Marine Engineering

Computer Science & Information Technology

Petroleum Engineering

Chemistry

Physics

Data Science & Artificial Intelligence

Production & Industrial Engineering

Electronics & Communication Engineering

Robotics & Automation (New)

Electrical Engineering

Statistics

Environmental Science & Engineering

Engineering Sciences

Ecology and Evolution

Humanities & Social Sciences

Geomatics Engineering

Life Sciences

Topics

Sub Topics

GATE CSE Syllabus for Digital Logic

• Boolean algebra

• Combinational and sequential circuits

• Minimization

• Number representations and computer arithmetic (fixed and floating point)

GATE CSE Syllabus for Computer Organization and Architecture

• Machine instructions and addressing modes

• ALU, data path and control unit

• Instruction pipelining, pipeline hazards

• Memory hierarchy: cache, main memory and secondary storage; I/O interface (interrupt and DMA mode)

GATE Syllabus for Programming and Data Structures

• Programming in C

• Recursion

• Arrays, stacks, queues, linked lists, trees, binary search trees, binary heaps, graphs

GATE Syllabus for Algorithms

• Searching, sorting, hashing

• Asymptotic worst case time and space complexity

• Algorithm design techniques: greedy, dynamic programming and divide‐and‐conquer

• Graph traversals, minimum spanning trees, shortest paths

GATE Syllabus for Theory of Computation

• Regular expressions and finite automata

• Context-free grammars and push-down automata

• Regular and context-free languages, pumping lemma

• Turing machines and undecidability

GATE Syllabus for Compiler Design

• Lexical analysis, parsing, syntax-directed translation

• Runtime environments

• Intermediate code generation

• Local optimisation

• Data flow analyses: constant propagation, liveness analysis, common sub-expression elimination

GATE Syllabus for Operating System

• System calls, processes, threads, inter‐process communication, concurrency and synchronization

• Deadlock

• CPU and I/O scheduling

• Memory management and virtual memory

• File systems

GATE Syllabus for Databases

• ER‐model

• Relational model: relational algebra, tuple calculus, SQL. Integrity constraints, normal forms

• File organization, indexing (e.g., B and B+ trees)

• Transactions and concurrency control

GATE Syllabus for Computer Networks

• Concept of layering

• 
  

  • OSI and TCP/IP Protocol Stacks; Basics of packet, circuit and virtual circuit switching

• Data link layer

• 
  

  • framing, error detection, Medium Access Control, Ethernet bridging

• Routing protocols:

• 
  

  • Shortest path, flooding, distance vector and link state routing

  • Fragmentation and IP addressing, IPv4, CIDR notation, Basics of IP support protocols (ARP, DHCP, ICMP), Network Address Translation (NAT)

• Transport layer:

• 
  

  • flow control and congestion control, UDP, TCP, sockets; Application layer protocols: DNS, SMTP, HTTP, FTP, Email

GATE Topics

Expected Weightage in Marks

Engineering Maths

14.75

Database

7.5

Theory of Computation

7.5

Compiler Design

2.75

Computer Organization & Architecture

9

Programming & Data Structures

10.5

Algorithms

8

Digital Logic

5.25

Operating System

9

General Aptitude

15

Computer Networks

7.5

Soft. Engg/ Web Technology

1.5

Topic

Expected Weightage in Marks

General Aptitude

15

Industrial Engineering

8

Engineering Maths

12.25

Manufacturing Engineering

14.25

Engineering Mechanics

2.5

Strength of materials

7.75

Heat Transfer

6

Machine Design

3.75

Fluid Mechanics

7.5

Theory of Mechanics

9

Thermodynamics

12.75

Refrigeration & Air Conditioning

1.25

Linear Algebra

Matrix Algebra, Systems of linear equations, Eigen values, Eigen vectors.

Differential Equations

First order equations (linear and nonlinear), Higher order linear differential equations with constant coefficients, Method of variation of parameters, Cauchy’s equation, Euler’s equation, Initial and boundary value problems, Partial Differential Equations, Method of separation of variables

Calculus

Mean value theorems, Theorems of integral calculus, Evaluation of definite and improper integrals, Partial Derivatives, Maxima and minima, Multiple integrals, Fourier series, Vector identities, Directional derivatives, Line integral, Surface integral, Volume integral, Stokes’s theorem, Gauss’s theorem, Divergence theorem, Green’s theorem.

Probability and Statistics

Sampling theorems, Conditional probability, Mean, Median, Mode, Standard Deviation, Random variables, Discrete and Continuous distributions, Poisson distribution, Normal distribution, Binomial distribution, Correlation analysis, Regression analysis.

Complex Variables

Analytic functions, Cauchy’s integral theorem, Cauchy’s integral formula, Taylor series, Laurent series, Residue theorem, Solution integrals.

GATE Topics

Expected Weightage in Marks

Engineering Maths

11.75

Power Electronics

7.5

Network Theory

11.75

Signal & System

8.5

Control Systems

9

Power Systems

9.75

Electrical machines

8.25

Electrical & Electronics Measurements

4.5

Analog & Digital Electronics

11.25

EMT

2.75

General Aptitude

15

Section Name

GATE 2027 IN Syllabus

Electricity and Magnetism

Coulomb's Law, Electric Field Intensity, Electric Flux Density, Gauss's Law, Divergence, Electric field and potential due to point, line, plane, and spherical charge distributions, Effect of the dielectric medium, Capacitance of simple configurations, Biot‐Savart’s law, Ampere’s law, Curl, Faraday’s law, Lorentz force, Inductance, Magnetomotive force, Reluctance, Magnetic circuits, Self and Mutual inductance of simple configurations.

Electrical Circuits and Machines

Voltage and current sources: independent, dependent, ideal and practical; v-i relationships of the resistor, inductor, mutual inductance and capacitor; transient analysis of RLC circuits with dc excitation.

Kirchoff’s laws, mesh and nodal analysis, superposition, Thevenin, Norton, maximum power transfer and reciprocity theorems. Peak-, average- and rms values of ac quantities; apparent-, active- and reactive powers; phasor analysis, impedance and admittance; series and parallel resonance, locus diagrams, realization of basic filters with R, L and C elements. transient analysis of RLC circuits with ac excitation.

One-port and two-port networks, driving point impedance and admittance, open-, and short-circuit parameters. Single-phase transformer: equivalent circuit, phasor diagram, open circuit and short circuit tests, regulation and efficiency; Three-phase induction motors: principle of operation, types, performance, torque-speed characteristics, no-load and blocked rotor tests, equivalent circuit, starting and speed control; Types of losses and efficiency calculations of electric machines

Signals and Systems

Periodic, aperiodic and impulse signals; Laplace, Fourier and z-transforms; transfer function, frequency response of first and second-order linear time-invariant systems, impulse response of systems; convolution, correlation. Discrete-time system: impulse response, frequency response, pulse transfer function; DFT and FFT; basics of IIR and FIR filters.

Control Systems

Feedback principles, signal flow graphs, transient response, steady-state-errors, Bode plot, phase and gain margins, Routh and Nyquist criteria, root loci, design of lead, lag and lead-lag compensators, state-space representation of systems; time-delay systems; mechanical, hydraulic and pneumatic system components, synchro pair, servo and stepper motors, servo valves; on-off, P, PI, PID, cascade, feedforward, and ratio controllers, tuning of PID controllers and sizing of control valves.

Analog Electronics

Characteristics and applications of diode, Zener diode, BJT and MOSFET; small-signal analysis of transistor circuits, feedback amplifiers. Characteristics of ideal and practical operational amplifiers; applications of opamps: adder, subtractor, integrator, differentiator, difference amplifier, instrumentation amplifier, precision rectifier, active filters, oscillators, signal generators, voltage-controlled oscillators and phase-locked loop, sources and effects of noise and interference in electronic circuits.

Digital Electronics

Combinational logic circuits, minimization of Boolean functions. IC families: TTL and CMOS. Arithmetic circuits, comparators, Schmitt trigger, multi-vibrators, sequential circuits, flipflops, shift registers, timers and counters; sample-and-hold circuit, multiplexer, analogue-to-digital (successive approximation, integrating, flash and sigma-delta) and digital-to-analogue converters (weighted R, R-2R ladder and current steering logic). Characteristics of ADC and DAC (resolution, quantization, significant bits, conversion/settling time); basics of number systems, Embedded Systems: Microprocessor and microcontroller applications, memory and input-output interfacing; basics of data acquisition systems, basics of distributed control systems (DCS) and programmable logic controllers (PLC).

Measurements

SI units, standards (R, L, C, voltage, current and frequency), systematic and random errors in measurement, expression of uncertainty - accuracy and precision, propagation of errors, linear and weighted regression.

Bridges: Wheatstone, Kelvin, Megohm, Maxwell, Anderson, Schering and Wien for measurement of R, L, Cand frequency, Q-meter. Measurement of voltage, current and power in single and three-phase circuits; AC and DC probes; true rms meters, voltage and current scaling, instrument transformers, timer/counter, time, phase frequency measurements, digital voltmeter, digital multimeter; oscilloscope, shielding and grounding.

Sensors and Industrial Instrumentation

Resistive-, capacitive-, inductive-, piezoelectric-, Hall effect sensors and associated signal conditioning circuits; transducers for industrial instrumentation: displacement (linear and angular), velocity, acceleration, force, torque, vibration, shock, pressure (including low pressure), flow (variable head, variable area, electromagnetic, ultrasonic, turbine, and open channel flow meters) temperature (thermocouple, bolometer, RTD (3/4 wire), thermistor, pyrometer, and semiconductor); liquid level, pH, conductivity and viscosity measurement. 4-20 mA two-wire transmitter.

Communication and Optical Instrumentation

Amplitude- and frequency modulation and demodulation; Shannon's sampling theorem, pulse code modulation; frequency and time division multiplexing, amplitude-, phase-, frequency-, quadrature amplitude, pulse shift keying for digital modulation; optical sources and detectors: LED, laser, photo-diode, light-dependent resistor,square-law detectors, and their characteristics; interferometer: applications in metrology; basics of fiber optic sensing. UV-VIS Spectrophotometers, Mass spectrometers.

Topic

Expected Weightage

Process Controls

1.5

Analog circuits

11.75

Measurements

6.25

Communications

1.5

Control System

10.75

Digital Circuits

7

Analytical Biomedical & Optical Instrumentation

4.25

Circuits & Networks

10.25

General Aptitude

15

Signals and Systems

7.75

Transducers

12.25

Engg Maths

11.75

Topic

Weightage

Topic

Weightage

Geo-Technical

15.25

Environment Engg

9

SOM

7.75

Design of Steel Structures

4.25

Structural Analysis

3.5

Highway & Surveying

12

FM and Hydraulic machine

6.75

Engineering Mathematics

12.25

Irrigation & Hydrology

7.75

General Aptitude

15

RCC and Prestressed concrete

6.5

Topic

Weightage

Topic

Weightage

Network Theory

11.25

Communication Systems

10.75

Electronics Devices & Circuits

7.25

EMT

9.5

Digital Circuits

6

Engineering Maths

10.5

Signal & Systems

9

General Aptitude

15

Analog Circuits

11.75

Micro Processors

1.5

Control Systems

9

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Subject

Topics

Part (A) Common section

• Earth and planetary system, elements of seismology, geomagnetism and palaeomagnetism

• Weathering and soil formation

• Basic structural geology

• Crystallography

• Elements of hydrogeology

Part-B (B1): Geology

• Geomorphology

• Structural Geology

• Crystallography and Mineralogy

• Geochemistry

• Igneous Petrology

• Sedimentology

• Metamorphic Petrology

• Paleobiology

• Stratigraphy

• Resource Geology

• Global Tectonics

• Applied Geology

• Hydrogeology

• Basic Principles of Remote Sensing

Part-B (B2): Geophysics

• Solid-Earth Geophysics

• Geodesy

• Earthquake Seismology

• Potential and Time Varying Fields

• Gravity Methods

• Magnetic Methods

• Electrical Methods

• Electromagnetic Methods

• Seismic Methods

• Reservoir geophysics

• Geophysical Signal Processing

• Geophysical Well Logging

• Radioactive Methods

• Geophysical Inversion

Subject

Topics

Fluid Mechanics

• Flow and Fluid Properties

• Kinematics of Fluid Motion

• Integral Analysis for a Control Volume

• Differential Analysis

• Dimensional Analysis

• Internal Flows

• Bernoulli’s Equation and its Applications, Potential Flows

• External Flows

Thermodynamics

• Basic Concepts

• First Law of Thermodynamics

• Second Law of Thermodynamics

• Properties of Pure Substances

• Thermodynamic Relations

• Thermodynamic Cycles

• Ideal Gas Mixtures

Materials Science

• Classification and Structure of Materials

• Thermodynamics, Kinetics and Phase Transformations

• Properties and Applications of Materials

• Characterization and Measurements of Properties

• Processing of Materials

• Degradation of Materials

Polymer Science and Engineering

• Chemistry of High Polymers

• Polymer Characterization

• Synthesis, Manufacturing, and Properties

• Polymer Blends and Composites

• Polymer Technology

• Polymer Rheology

• Polymer Processing

• Polymer Testing

• Polymer Recycling and Waste Management

Solid Mechanics

• Mechanics of rigid bodies

• Mechanics of deformable bodies

• Vibrations

Atmospheric and Oceanic Sciences

• Atmospheric Science

• Ocean Sciences

Food Technology

• Food Chemistry and Nutrition

• Food Microbiology

• Food Products Technology

• Food Engineering

Energy Science

• Energy Resources and Conversion Technologies

• Energy Storage, Economics, Environment, and Efficiency

Subject

Topics

Economics

• Microeconomics

• Macroeconomics

• Statistics, Econometrics and Mathematical Economics

• International Economics

• Public Economics

• Development Economics

• Indian Economy

Linguistics

• Language and Linguistics

• Levels of Grammar and Grammatical Analysis

• Historical Linguistics

• Sociolinguistics

• Areal Typology, Universals, Cross-linguistic Features

• Methods of Analysis

• Applied Linguistics

English

• Multi-genre literature in English

• Literary criticism and theory

• History of English literature and English literary studies

• Research approaches and methodologies, including interpretive techniques responsive to literary forms, devices, concepts, and genres

Psychology

• Research Methods and Statistics

Sociology

• Sociological Theory

• Research Methodology and Methods

• Sociological Concepts

• Agrarian Sociology and Rural Transformation

• Family, Marriage and Kinship; Theoretical Approaches

• Indian Society/Sociology of India

• Social Movements

• Sociology of Development

Philosophy

• Classical Indian Philosophy

• Contemporary Indian Philosophy

• Classical and Modern Western Philosophy

• Contemporary Western Philosophy

Subject

Topics

Botany

• Plant Systematics

• Plant Anatomy

• Plant Development; Cell and Tissue Morphogenesis

• Plant Physiology and Biochemistry

• Genetics and Genomics

• Plant Breeding, Genetic Modification, Genome Editing

• Economic and Applied Botany

• Plant Pathology

• Ecology and Environment

Zoology

• Animal Diversity

• Evolution

• Genetics

• Biochemistry and Molecular Biology

• Cell Biology

• Gene expression in Eukaryotes

• Animal Anatomy and Physiology

• Parasitology and Immunology

• Development Biology

• Ecology

• Animal Behaviour

Microbiology

• Historical Perspective

• Methods in Microbiology

• Microbial Taxonomy and Diversity

• Prokaryotic Cells: Structure and Function

• Microbial Growth

• Control of Micro-organisms

• Microbial Metabolism

• Microbial Diseases and Host-Pathogen Interaction

• Chemotherapy/Antibiotics

• Microbial Genetics

• Microbial Ecology

Food Technology

• Food Chemistry and Nutrition

• Food Microbiology

• Food Products Technology

• Food Engineering

Biochemistry

• Organization of life; Importance of water; Structure and function of biomolecules

• Biochemical separation techniques

• Cell

• DNA

• Immune System

Subject

Topics

General Aptitude

• Verbal Aptitude

• Quantitative Aptitude

• Analytical Aptitude

• Spatial Aptitude

Data Science and Artificial Intelligence (DA)

• Probability and Statistics

• Linear Algebra

• Calculus and optimization

• Database Management and Warehousing

• Programming, Data Structures and Algorithms

• Machine Learning

• AI

Particulars

Details

Marking Scheme

All of the questions will be worth 1 or 2 marks

Total Marks

100 Marks

Examination Mode

Computer-Based Test (Online)

Duration

3 Hours

Number of Papers in GATE

30 Papers

Section

• General Aptitude (GA)

• Candidate Selected Subject

Type of Questions

• Multiple Choice Questions (MCQs)

• Multiple Select Questions (MSQs)

• Numerical Answer Type (NAT) Questions

Design of Questions

The questions are designed to test the listed abilities

• Application

• Analysis

• Comprehension

• Recall

• Synthesis

Number of Questions

65 Questions (including 10 questions from General Aptitude)

Distribution of Questions in all Papers except AR, CY, EY, GG, MA, PH, and XL

Engineering Mathematics - 13 Marks

Subject Questions - 72 Marks

General Aptitude - 15 Marks

Distribution of Questions in AR, CY, EY, GG, MA, PH, XH, and XL

Questions from Subject Concerned - 85 Marks

General Aptitude - 15 Marks

Marking Scheme

Questions carry 1 mark or 2 marks

Negative Marking

For a wrong answer chosen in an MCQ, there will be a negative marking. For a 1-mark MCQ, a 1/3 mark will be deducted for a wrong answer. For a 2-mark MCQ, a 2/3 mark will be deducted for a wrong answer. There is no negative marking for wrong answer(s) to MSQ or NAT questions. There is no partial marking in MSQ.

S.No

GATE Papers and Code

1

Best Books for GATE Civil Engineering

2

Best Books for GATE CSE

3

Best Books for GATE Electrical Engineering

4

Best Books for GATE Electronics and Communication

5

Best books for GATE Mechanical Engineering