GATE 2027 Syllabus has been officially released by IIT Madras at gate2027.iitm.ac.in. The 2027 cycle marks a landmark revision — a brand-new Robotics and Automation (RA) paper takes the total count to 30 subject papers. The Biotechnology (BT) syllabus has been overhauled by over 50%, and two-paper combination rules have been updated. Students should download the official GATE 2027 syllabus PDF immediately and note every change before building their study plan.
- GATE 2027 now has 30 subject papers — the newly introduced Robotics and Automation (RA) paper joins the existing 29 papers for the first time.
- Each GATE 2027 paper carries 100 marks across 65 questions; General Aptitude contributes 15 marks and the core subject contributes 85 marks.
- The Biotechnology (BT) syllabus sees a major revision — topics like CRISPR-Cas, NGS, proteomics, epigenetics, and systems biology have been added.
- The RA paper has a unique structure: Part A (Engineering Mathematics + Mechatronics + Robotics, 60 marks) and Part B (EE or ME stream, 25 marks).
- For the popular CS paper, Algorithms and Data Structures collectively carry around 15–18% marks — the highest-weightage technical section.
- The GATE 2027 official notification was released on July 20, 2026; online registration opens August 14, 2026.
- GATE 2027 scores remain valid for three years and are accepted by IITs, NITs, IISc, and over 100 PSUs for direct recruitment.
Download the official GATE 2027 subject-wise syllabus PDFs from gate2027.iitm.ac.in and align your preparation to the revised topic list — especially for BT and the new RA paper.
GATE 2027 Syllabus PDF: Download Subject-wise PDFs
IIT Madras has released all 30 subject-wise syllabus PDFs at the official GATE 2027 portal. Students downloading the BT syllabus must use only the 2027 PDF — the GATE 2026 BT syllabus is significantly outdated with over 50% of content changed.
| Paper Name | Code | 2027 Syllabus Status |
|---|---|---|
| Computer Science and Information Technology | CS | Available — gate2027.iitm.ac.in |
| Electronics and Communication Engineering | EC | Available — gate2027.iitm.ac.in |
| Electrical Engineering | EE | Available — gate2027.iitm.ac.in |
| Mechanical Engineering | ME | Available — gate2027.iitm.ac.in |
| Civil Engineering | CE | Available — gate2027.iitm.ac.in |
| Chemical Engineering | CH | Available — gate2027.iitm.ac.in |
| Instrumentation Engineering | IN | Available — gate2027.iitm.ac.in |
| Data Science and Artificial Intelligence | DA | Available — gate2027.iitm.ac.in |
| Biotechnology (Revised — 50%+ changes for 2027) | BT | Available — gate2027.iitm.ac.in |
| Robotics and Automation (NEW Paper for 2027) | RA | New — Available at gate2027.iitm.ac.in |
GATE 2027 Syllabus: Overview
GATE 2027 is a national-level exam for M.Tech, M.E., and Ph.D. admissions at IITs, NITs, and IISc. IIT Madras is the organizing institute for GATE 2027. GATE scores are also accepted by over 100 PSUs for direct engineer recruitment. The exam is conducted in Computer-Based Test (CBT) mode across 30 subject papers.
| Parameter | Details |
|---|---|
| Exam Name | Graduate Aptitude Test in Engineering (GATE) 2027 |
| Organizing Institute | IIT Madras |
| Official Website | gate2027.iitm.ac.in |
| Jointly Conducted By | IISc + 7 IITs (Bombay, Delhi, Guwahati, Kanpur, Kharagpur, Madras, Roorkee) |
| Total Papers | 30 (new: Robotics and Automation — RA) |
| Total Marks per Paper | 100 marks |
| Total Questions per Paper | 65 questions |
| General Aptitude (GA) | 10 questions — 15 marks (all papers) |
| Subject-specific Section | 55 questions — 85 marks |
| Exam Duration | 3 hours (180 minutes) |
| Question Types | MCQ (negative marking) and NAT (no negative marking) |
| Mode | Computer Based Test (CBT) |
| Score Validity | 3 years from result declaration |
| GATE 2027 Exam Dates | February 6, 7, 13, 14, 20, 21, 2027 |
GATE 2027 Important Dates
IIT Madras released the official GATE 2027 notification on July 20, 2026. Registration opens August 14, 2026. Students must apply before the last date to avoid the late fee — paper selection cannot be changed after submission, so confirm your paper and combination before registering.
| Event | Date | Status |
|---|---|---|
| Online Registration Opens | August 14, 2026 | Upcoming |
| Last Date to Apply (without late fee) | September 2026 (tentative) | Upcoming |
| Last Date to Apply (with late fee) | October 2026 (tentative) | Upcoming |
| Application Form Correction Window | November 2026 (tentative) | Upcoming |
| Admit Card Release | January 2027 (tentative) | Upcoming |
| GATE 2027 Exam | February 6, 7, 13, 14, 20, 21, 2027 | Upcoming |
| Answer Key Release | February 2027 (tentative) | Upcoming |
| Last Date to Challenge Answer Key | February–March 2027 (tentative) | Upcoming |
| Result Declaration | March 2027 (tentative) | Upcoming |
| Score Card Download Opens | March 2027 onwards (tentative) | Upcoming |
| Official Notification Released | July 20, 2026 | Over |
Note: Dates marked "tentative" are based on previous year patterns. Confirm all dates at gate2027.iitm.ac.in.
What’s New in GATE 2027? Major Changes by IIT Madras
IIT Madras has announced four significant changes for GATE 2027. These affect paper selection, syllabus content, combination eligibility, and exam city rules. Students must review the official brochure carefully before registering — these changes affect eligibility, preparation scope, and paper selection.
| Change | Details | Impact for Students |
|---|---|---|
| New Paper: Robotics and Automation (RA) | The 30th paper has been introduced. Part A (60 marks) covers Engineering Mathematics, Mechatronics, and Robotics Principles. Part B (25 marks) offers a choice between EE and ME streams. | Robotics, Mechatronics, and Automation engineering students now have a dedicated GATE paper aligned with their curriculum. |
| BT Syllabus Overhauled (50%+ revised) | Topics added: CRISPR-Cas, genomics, next-generation sequencing (NGS), proteomics, bioinformatics, epigenetics, systems biology, immunology, biosensors, recombination-based cloning, omics tools. Bayesian statistics and vector calculus added to BT Engineering Mathematics sub-section. | BT students must use only the official GATE 2027 BT syllabus PDF — the 2026 version is significantly outdated. |
| Two-Paper Combination Rules Updated | The allowed paper combinations list has been revised. New combinations involving the RA paper have been added. Some older combinations may have been removed. | Students planning to appear for two papers must check the updated combination list in the official 2027 brochure before registering. |
| City Allocation Rules Revised | Revised rules for exam city preference and allocation are included in the GATE 2027 brochure. | Review city selection options carefully during the registration window opening August 14, 2026. |
GATE 2027 General Aptitude (GA) Syllabus
The General Aptitude section is identical across all 30 GATE 2027 papers. It carries 15 marks (10 questions). Scoring 14–15 out of 15 in GA can lift your overall GATE rank by hundreds of positions — treat it as a core section, not an afterthought.
| Section | Topics | Approx. Marks |
|---|---|---|
| Verbal Ability | Verbal Ability sub-topics Click Here English grammar: tenses, articles, prepositions, subject-verb agreement; sentence correction and completion; verbal analogies and word relationships; reading comprehension passages; instructions and multi-step reasoning; critical reasoning and inference; one-word substitution and idioms. | ~5 marks |
| Quantitative Aptitude | Quantitative Aptitude sub-topics Click Here Data interpretation: bar graphs, pie charts, line graphs, tables, mixed charts; 2D and 3D geometry — area, volume, mensuration; elementary statistics: mean, median, mode, standard deviation; numerical reasoning and estimation; ratio, proportion, percentages; profit and loss; time, speed, distance; permutation and combination; simple and compound interest. | ~10 marks |
GATE 2027 Syllabus for Computer Science and IT (CS)
The CS paper is the most popular GATE paper, with the highest number of applicants each year. It covers 10 technical sections plus General Aptitude. Students aiming for top IIT M.Tech seats in CS should target a GATE CS score above 650 (out of 1000 normalised).
| Section | Sub-sections | Key Topics |
|---|---|---|
| 1. Engineering Mathematics | Linear Algebra, Calculus, Probability, Discrete Mathematics | Sub-topics Click Here Discrete Mathematics: propositional and first-order logic; sets, relations, functions; partial orders; groups and monoids; graph theory (connectivity, colouring, matching); combinatorics. Linear Algebra: matrices, determinants, eigenvalues and eigenvectors. Calculus: limits, continuity, differentiation, maxima/minima, integration. Probability and Statistics: random variables, conditional probability, Bayes’ theorem, mean, variance, normal distribution. |
| 2. Digital Logic | Boolean Algebra, Combinational and Sequential Circuits | Sub-topics Click Here Boolean algebra; combinational circuits: multiplexers, decoders, encoders, adders; sequential circuits: latches, flip-flops (D, JK, T, SR), registers, counters; minimization: K-maps, Quine-McCluskey method; number systems: two’s complement, Gray code, IEEE 754. |
| 3. Computer Organization & Architecture | ALU, Pipelining, Memory Hierarchy, I/O | Sub-topics Click Here Machine instructions and addressing modes; ALU and data-path design; instruction pipelining: data, control and structural hazards, stalls, forwarding; cache design (direct-mapped, set-associative), replacement policies (LRU, FIFO), write-through vs write-back; main memory and secondary storage; I/O: interrupts, DMA, programmed I/O. |
| 4. Programming and Data Structures | C Programming, Arrays, Trees, Graphs, Hashing | Sub-topics Click Here Programming in C: recursion, pointers, arrays, strings, structures; stacks and queues; linked lists (singly, doubly, circular); trees: binary trees, BST, AVL trees, Red-Black trees, B-trees, heaps; graphs: adjacency matrix, adjacency list, BFS, DFS; hashing: hash functions, collision resolution (chaining, open addressing). |
| 5. Algorithms | Sorting, Graph Algorithms, DP, Complexity | Sub-topics Click Here Asymptotic notation (Big-O, Theta, Omega); Master theorem; sorting: merge sort, quicksort, heapsort; divide and conquer; greedy algorithms; dynamic programming: LCS, 0/1 knapsack, matrix chain multiplication; graph algorithms: Dijkstra, Bellman-Ford, Floyd-Warshall, Prim, Kruskal, topological sort; NP-completeness: P, NP, NP-hard, reductions. |
| 6. Theory of Computation | Automata, CFG, Turing Machines, Undecidability | Sub-topics Click Here Regular languages: DFA, NFA, regular expressions, closure properties, pumping lemma; context-free languages: CFG, PDA, CYK algorithm; Turing machines: variants, Church-Turing thesis; decidability: the halting problem; reducibility and Rice’s theorem. |
| 7. Compiler Design | Lexical Analysis, Parsing, Runtime, Code Generation | Sub-topics Click Here Lexical analysis: regular expressions, finite automata; parsing: LL(1) (FIRST, FOLLOW, parsing table), LR parsers (LR(0), SLR(1), LALR(1), CLR(1)); ambiguity; syntax-directed translation; runtime environments: activation records, parameter passing; code generation; basic optimization: constant folding, dead code elimination. |
| 8. Operating Systems | Processes, Scheduling, Memory, File Systems | Sub-topics Click Here Processes and threads: PCB, states, context switching; IPC; concurrency: semaphores, monitors; classical problems (producer-consumer, reader-writer, dining philosophers); deadlock: detection, prevention, avoidance (Banker’s algorithm); CPU scheduling: FCFS, SJF, SRTF, Round Robin, priority; memory: paging, segmentation, virtual memory, page replacement (FIFO, LRU, Optimal); file systems: allocation methods, directory structure; I/O: buffering, spooling. |
| 9. Databases | ER Model, SQL, Normalization, Transactions, Indexing | Sub-topics Click Here ER model: entities, attributes, relationships, weak entities; relational model: keys, relational algebra, relational calculus; SQL: DDL, DML, joins, subqueries, views, aggregate functions; normalisation: 1NF, 2NF, 3NF, BCNF; ACID properties; transactions: serializability, 2PL; indexing: B+ trees, hashing; file organisation. |
| 10. Computer Networks | OSI/TCP-IP, Routing, Transport, Security | Sub-topics Click Here OSI model (7 layers) and TCP/IP model; application layer: HTTP, FTP, SMTP, DNS; transport layer: TCP (3-way handshake, flow control, congestion control), UDP; network layer: IP addressing, subnetting, CIDR, NAT, routing protocols (OSPF, RIP, BGP); data link: Ethernet, MAC, CSMA/CD, sliding window protocols, CRC; network security: RSA, AES, digital signatures, SSL/TLS, firewalls. |
GATE 2027 CS/IT Chapter-wise Weightage
Based on GATE CS papers from 2020 to 2026, the approximate section-wise weightage is as follows.
| Section | Approx. Weightage (%) | Approx. Marks (out of 100) |
|---|---|---|
| General Aptitude | 15% | 15 |
| Engineering Mathematics | 13–15% | 11–13 |
| Algorithms + Data Structures | 15–18% | 13–15 |
| Operating Systems | 10–12% | 9–10 |
| Computer Networks | 8–10% | 7–9 |
| Databases | 8–10% | 7–9 |
| Theory of Computation | 6–8% | 5–7 |
| Computer Organization & Architecture | 5–7% | 4–6 |
| Compiler Design | 5–7% | 4–6 |
| Digital Logic | 4–6% | 3–5 |
GATE 2027 Syllabus for Electronics and Communication Engineering (EC)
The EC paper covers eight technical sections. Signals and Systems, Analog Circuits, and Electronic Devices are historically the highest-weightage sections in GATE EC. Engineering Mathematics is compulsory and carries 13–15 marks.
| Section | Key Topics |
|---|---|
| 1. Engineering Mathematics | Linear algebra, calculus, differential equations, complex analysis, transform theory (Laplace, Fourier, z-transform), probability and statistics, numerical methods |
| 2. Networks, Signals and Systems | Topics Click Here KCL, KVL, mesh analysis, nodal analysis; Thévenin and Norton theorems; maximum power transfer; sinusoidal steady-state analysis; two-port networks (z, y, h, ABCD parameters); LTI systems: impulse response, convolution; Fourier series and Fourier transform; Laplace transform; z-transform; sampling theorem and signal reconstruction. |
| 3. Electronic Devices | Topics Click Here Energy bands; p-n junction diode: V-I characteristics, diode equation; Zener diode: breakdown mechanisms; BJT: biasing, small-signal hybrid-π model; MOSFET: NMOS, PMOS, enhancement and depletion modes; CMOS basics; LED, photodiode, solar cell, tunnel diode, varactor diode. |
| 4. Analog Circuits | Topics Click Here BJT and MOSFET amplifiers: configurations, small-signal analysis, frequency response; feedback amplifiers: topologies and effects; op-amp circuits: inverting, non-inverting, summing, integrator, differentiator, instrumentation amplifier; oscillators: Wien bridge, Colpitts; active filters; Schmitt trigger; voltage regulators. |
| 5. Digital Circuits | Number systems; Boolean algebra; combinational circuits; sequential circuits (flip-flops, counters, shift registers); logic families; A/D and D/A converters; semiconductor memories (SRAM, DRAM, ROM, Flash) |
| 6. Control Systems | Transfer functions; block diagram reduction; signal flow graphs (Mason’s formula); time-domain specifications; stability: Routh-Hurwitz, Nyquist plot, Bode plot, root locus; PID, lag, lead compensators; state space analysis |
| 7. Communications | Topics Click Here Analog modulation: AM (DSB-SC, SSB), FM, PM; digital modulation: ASK, FSK, BPSK, QPSK, QAM; BER in AWGN; sampling and PCM; bandwidth efficiency; random processes: PSD, autocorrelation; noise figure; multiple access: TDMA, FDMA, CDMA; spread spectrum; OFDM basics; optical fibre communication basics. |
| 8. Electromagnetics | Maxwell’s equations; plane wave propagation; reflection and refraction; polarization; transmission lines: characteristic impedance, reflection coefficient, standing waves, Smith chart; rectangular waveguides; antennas: dipole, monopole, arrays; directivity, gain; Friis transmission equation |
GATE 2027 EC Chapter-wise Weightage
| Section | Approx. Weightage (%) | Approx. Marks |
|---|---|---|
| General Aptitude | 15% | 15 |
| Engineering Mathematics | 13–15% | 11–13 |
| Networks, Signals and Systems | 13–15% | 11–13 |
| Analog Circuits | 10–12% | 9–10 |
| Electronic Devices | 10–12% | 9–10 |
| Communications | 8–10% | 7–9 |
| Control Systems | 8–10% | 7–9 |
| Electromagnetics | 7–9% | 6–8 |
| Digital Circuits | 5–7% | 4–6 |
GATE 2027 Syllabus for Electrical Engineering (EE)
The EE paper has 10 technical sections plus General Aptitude and Engineering Mathematics. Power Systems, Electrical Machines, and Control Systems are the highest-weightage sections for EE students.
| Section | Key Topics |
|---|---|
| 1. Engineering Mathematics | Linear algebra, calculus, ODE and PDE, complex variables, probability and statistics, numerical methods, transform theory (Laplace, Fourier, z-transform) |
| 2. Electric Circuits | KVL, KCL; mesh and nodal analysis; superposition, Thévenin, Norton, Maximum Power Transfer; AC steady-state (phasors); transient response (RL, RC, RLC); resonance; two-port networks; three-phase circuits |
| 3. Electromagnetic Fields | Coulomb’s law; electric field and potential; Gauss’s law; dielectrics; Biot-Savart law; Ampere’s law; Faraday’s law; Maxwell’s equations; wave equations |
| 4. Signals and Systems | Continuous and discrete-time signals; LTI systems; convolution; BIBO stability; Fourier series, Fourier transform, Laplace transform, z-transform; sampling theorem |
| 5. Electrical Machines | Topics Click Here Transformers: equivalent circuit, phasor diagram, losses, voltage regulation, efficiency, auto-transformer; DC machines: generators and motors (shunt, series, compound), armature reaction, commutation, speed control, braking; three-phase induction motors: rotating magnetic field, torque-speed curve, starting methods, speed control; single-phase induction motors: double revolving field theory; synchronous machines: generators and motors, phasor diagram, armature reaction, V curves, hunting; stepper motors and BLDC basics. |
| 6. Power Systems | Topics Click Here Transmission lines: short, medium, long line models; cables; per-unit representation; symmetrical components; load flow: Gauss-Seidel, Newton-Raphson; fault analysis: symmetrical and unsymmetrical faults; power system stability: steady-state, transient, equal area criterion; protection: overcurrent, distance, differential relays; circuit breakers; economics: load curve, economic dispatch. |
| 7. Control Systems | Transfer functions; block diagram reduction; signal flow graphs; time and frequency domain analysis; stability: Routh-Hurwitz, Nyquist, Bode; root locus; PID control; lead and lag compensators; state space: controllability, observability |
| 8. Electrical Measurements | Bridges (Wheatstone, Maxwell, Hay, Schering); potentiometers; PMMC, moving-iron, dynamometer instruments; CT and PT; digital voltmeters; CRO; energy meters; 2-wattmeter power measurement |
| 9. Analog and Digital Electronics | BJT and MOSFET biasing; op-amp circuits; combinational and sequential logic; A/D and D/A converters; 8085/8086 microprocessor instruction set basics |
| 10. Power Electronics | SCR, DIAC, TRIAC, GTO, IGBT, MOSFET characteristics; controlled rectifiers; AC voltage controllers; DC-DC converters: Buck, Boost, Buck-Boost; inverters: single-phase and three-phase; PWM techniques; VSI-fed induction motor drives |
GATE 2027 EE Chapter-wise Weightage
| Section | Approx. Weightage (%) | Approx. Marks |
|---|---|---|
| General Aptitude | 15% | 15 |
| Engineering Mathematics | 13–15% | 11–13 |
| Electrical Machines | 10–12% | 9–10 |
| Power Systems | 10–12% | 9–10 |
| Control Systems | 8–10% | 7–9 |
| Signals and Systems | 8–10% | 7–9 |
| Electric Circuits | 7–9% | 6–8 |
| Power Electronics | 6–8% | 5–7 |
| Analog and Digital Electronics | 5–7% | 4–6 |
| Electromagnetic Fields | 4–6% | 3–5 |
| Electrical Measurements | 3–5% | 3–4 |
GATE 2027 Syllabus for Mechanical Engineering (ME)
The ME paper has four major sections plus Engineering Mathematics and General Aptitude. Fluid Mechanics, Thermodynamics, and Strength of Materials collectively carry around 40–45% of GATE ME marks — cover these first.
| Section | Sub-sections | Key Topics |
|---|---|---|
| 1. Engineering Mathematics | Linear Algebra, Calculus, ODE, Probability, Numerical Methods | Matrices and determinants; Taylor and Fourier series; partial differentiation; multiple integrals; vector calculus; complex variables; probability distributions; numerical methods |
| 2. Applied Mechanics and Design | Statics, SOM, Theory of Machines, Machine Design | Sub-topics Click Here Engineering Mechanics: free-body diagrams, equilibrium, friction, kinematics and dynamics of particles and rigid bodies. Mechanics of Materials (SOM): stress and strain, Hooke’s law, thin-walled pressure vessels, bending and shear stresses, torsion, deflection of beams, Euler’s buckling, Mohr’s circle. Theory of Machines: mechanisms, flywheels, governors, balancing, vibrations: free (damped and undamped), forced, transmissibility. Machine Design: design for static and fatigue failure; design of keys, couplings, shafts, bearings, gears, power screws. |
| 3. Fluid Mechanics and Thermal Sciences | Fluid Mechanics, Heat Transfer, Thermodynamics | Sub-topics Click Here Fluid Mechanics: fluid statics; Bernoulli’s and continuity equations; momentum equation; viscous flow (Couette, Poiseuille); boundary layer; dimensional analysis; turbomachinery: pumps and turbines. Heat Transfer: conduction (Fourier’s law, 1D and 2D); convection (forced and natural, Nusselt correlations); radiation (Stefan-Boltzmann, view factors); heat exchangers (LMTD, NTU). Thermodynamics: laws; steam tables; gas power cycles (Otto, Diesel, Brayton); Rankine cycle; refrigeration (vapour compression, COP); psychrometrics; compressible flow (isentropic, normal shocks). |
| 4. Materials, Manufacturing and Industrial Engineering | Engineering Materials, Manufacturing Processes, Industrial Engineering | Sub-topics Click Here Engineering Materials: crystal structures, phase diagrams (Fe-C), heat treatment, mechanical properties. Manufacturing: casting, forming (rolling, forging, extrusion, deep drawing), welding, machining (turning, drilling, milling, Merchant’s circle, cutting forces), metrology (tolerances, limits and fits, gauges). Industrial Engineering: PERT/CPM; inventory control (EOQ); queuing theory; linear programming; forecasting. |
GATE 2027 ME Chapter-wise Weightage
| Section | Approx. Marks (out of 100) |
|---|---|
| General Aptitude | 15 |
| Engineering Mathematics | 11–13 |
| Fluid Mechanics + Heat Transfer | 14–17 |
| Thermodynamics | 10–12 |
| Applied Mechanics (SOM + Statics) | 10–12 |
| Theory of Machines + Vibrations | 7–9 |
| Machine Design | 5–7 |
| Manufacturing Processes | 8–10 |
| Industrial Engineering | 5–7 |
| Engineering Materials | 4–6 |
GATE 2027 Syllabus for Civil Engineering (CE)
The CE paper has seven technical sections. Structural Engineering carries the highest weightage at 20–25% — it must be your most-practised section in GATE CE preparation.
| Section | Key Topics |
|---|---|
| 1. Engineering Mathematics | Linear algebra, calculus, ODE and PDE, probability and statistics, numerical methods, Fourier series |
| 2. Structural Engineering | Topics Click Here Solid Mechanics: stress, strain, principal stresses (Mohr’s circle), thin-walled pressure vessels, torsion, bending and shear stresses, deflection of beams. Structural Analysis: statically determinate and indeterminate structures; trusses (method of joints and sections); influence lines; energy methods; slope-deflection method; moment distribution method; stiffness matrix basics. Concrete Structures: working stress and limit state design (IS 456); beams, slabs, columns, footings. Steel Structures: plastic analysis; tension and compression members, beam-columns; IS 800; bolted and welded connections. Concrete Technology: mix design, workability, durability. |
| 3. Geotechnical Engineering | Soil classification; permeability; seepage (flow nets); consolidation (Terzaghi’s theory); shear strength (Mohr-Coulomb); bearing capacity (Terzaghi, Meyerhof, IS 6403); slope stability; retaining walls (Rankine’s and Coulomb’s theories); pile foundations |
| 4. Water Resources Engineering | Fluid statics; pipe flow (Darcy-Weisbach, pipe networks); open channel flow (specific energy, critical flow, gradually and rapidly varied flow, hydraulic jump); pumps and turbines; hydrology (precipitation, runoff, hydrographs, unit hydrograph); groundwater; irrigation |
| 5. Environmental Engineering | Water quality parameters; water treatment (coagulation, sedimentation, filtration, disinfection); wastewater treatment (activated sludge, anaerobic digestion); solid waste management; air pollution: sources, standards, control; noise pollution |
| 6. Transportation Engineering | Highway geometric design (IRC standards); pavement design (flexible: IRC 37; rigid: IRC 58); traffic engineering (traffic studies, signal design, Greenshields flow model); railways (track design, gradient); airports (runway length) |
| 7. Geomatics Engineering | Chain and compass surveying; levelling; theodolite traversing; tachymetry; contouring; remote sensing: platforms, sensors, image interpretation; GIS: raster and vector models, spatial data; GPS: principles and applications |
GATE 2027 CE Chapter-wise Weightage
| Section | Approx. Weightage (%) | Approx. Marks |
|---|---|---|
| General Aptitude | 15% | 15 |
| Engineering Mathematics | 13–15% | 11–13 |
| Structural Engineering | 20–25% | 17–21 |
| Geotechnical Engineering | 12–15% | 10–13 |
| Water Resources Engineering | 10–13% | 9–11 |
| Transportation Engineering | 8–10% | 7–9 |
| Environmental Engineering | 6–8% | 5–7 |
| Geomatics Engineering | 4–6% | 3–5 |
GATE 2027 Robotics & Automation (RA) Syllabus — New Paper
Robotics and Automation (RA) is the new 30th paper introduced by IIT Madras for GATE 2027. The RA paper is unique in GATE — it has a mandatory Part A and a choice-based Part B, with no precedent among the existing 29 papers. Students from Robotics, Mechatronics, EE, and ME backgrounds are the primary audience.
| Component | Marks | Content |
|---|---|---|
| General Aptitude (GA) | 15 marks | Verbal Ability and Quantitative Aptitude (same as all GATE papers) |
| Part A — Common and Mandatory | 60 marks | Engineering Mathematics + Basics of Mechatronics + Principles of Robotics and Automation |
| Part B1 — Electrical Engineering Stream | 25 marks (choose one of B1 or B2) | Control Systems, Power Electronics, Analog and Digital Electronics, Signals and Systems |
| Part B2 — Mechanical Engineering Stream | 25 marks (choose one of B1 or B2) | Engineering Mechanics, Strength of Materials, Manufacturing Processes, Fluid Mechanics basics |
GATE 2027 RA Paper — Part A Detailed Syllabus
| Sub-section | Key Topics |
|---|---|
| Engineering Mathematics | Linear algebra; calculus; differential equations; probability and statistics; numerical methods; transform theory (Laplace, Fourier) |
| Basics of Mechatronics | Topics Click Here Sensors and transducers: position, velocity, force, torque, proximity, vision sensors; actuators: DC motors, stepper motors, servo motors, hydraulic and pneumatic actuators; motion control: closed-loop motor control, PID; embedded systems: microcontrollers, PLCs; signal conditioning: ADC, DAC, amplifiers; communication protocols: UART, SPI, I2C, CAN; SCADA and DCS basics; industrial automation systems. |
| Principles of Robotics and Automation | Topics Click Here Robot types and configurations: serial, parallel, collaborative (cobots); forward and inverse kinematics: DH parameters, Jacobian matrix; robot dynamics: Lagrangian and Newton-Euler formulations; trajectory planning: joint space and Cartesian space; path planning: A*, RRT basics; workspace analysis and singularities; robot programming: teach pendant, offline programming, ROS (Robot Operating System) basics; industrial robot applications: welding, assembly, painting, pick-and-place; autonomous systems: mobile robots, navigation, SLAM basics; computer vision for robotics: object detection, pose estimation; AI and ML in robotics: reinforcement learning basics, neural networks for robotic perception. |
GATE 2027 Syllabus: Other Papers at a Glance
Beyond the six papers covered above, GATE 2027 offers 24 more subject papers. The table below covers the major additional papers and their syllabus scope.
| Paper | Code | Major Sections (Brief) |
|---|---|---|
| Chemical Engineering | CH | Engg. Mathematics, Process Calculations and Thermodynamics, Fluid Mechanics, Heat Transfer, Mass Transfer, Chemical Reaction Engineering, Instrumentation and Process Control, Plant Design and Economics, Chemical Technology |
| Instrumentation Engineering | IN | Engg. Mathematics, Circuits, Signals and Systems, Control Systems, Analog Electronics, Digital Electronics, Measurements, Sensors and Industrial Instrumentation, Communications, Optical Instrumentation |
| Data Science and AI | DA | Engg. Mathematics (Probability, Statistics, Linear Algebra, Calculus, Optimization), Programming and DSA in Python, Machine Learning, Artificial Intelligence, Database Management and Warehousing |
| Biotechnology (Major Revision for 2027) | BT | Engg. Mathematics (added: Bayesian statistics, vector calculus), General Biology (added: immunology, deeper metabolism), Recombinant DNA Tech (added: CRISPR-Cas, NGS, biosensors, omics tools), Process Biotechnology, Plant and Animal Biotechnology, Microbiology |
| Mathematics | MA | Calculus, Linear Algebra, Real Analysis, Complex Analysis, ODE, PDE, Probability and Statistics, Numerical Analysis, Linear Programming, Abstract Algebra (Groups, Rings, Fields) |
| Engineering Sciences | XE | Section A: Engg. Mathematics (compulsory, 15 marks); then choose any 2 of 7 optional sections: Fluid Mechanics (B), Materials Science (C), Solid Mechanics (D), Thermodynamics (E), Polymer Science and Engineering (F), Food Technology (G), Atmospheric and Oceanic Sciences (H) |
| Physics | PH | Mathematical Physics, Classical Mechanics, Electromagnetic Theory, Quantum Mechanics, Thermodynamics and Statistical Physics, Atomic and Molecular Physics, Solid State Physics and Electronics, Nuclear and Particle Physics |
Best Books for GATE 2027 Preparation
The right textbooks are essential for GATE 2027 preparation. The table below lists authoritative books for each major paper, recommended by GATE toppers and subject experts.
| Paper | Book Name | Author | Why This Book |
|---|---|---|---|
| CS/IT | Introduction to Algorithms (CLRS) | Cormen, Leiserson, Rivest, Stein | Standard reference for Algorithms; covers complexity, DP, graphs, and NP-completeness in depth |
| Operating System Concepts | Silberschatz, Galvin, Gagne | Covers OS theory with GATE-relevant examples; used by virtually all CS GATE toppers | |
| Computer Networks (5th Ed.) | Andrew Tanenbaum | Comprehensive layered approach to networking; all GATE CN topics covered clearly | |
| EC | Microelectronic Circuits (7th Ed.) | Sedra and Smith | Best for Analog Circuits; covers BJT, MOSFET, op-amps, and feedback in detail |
| Signals and Systems | Oppenheim and Willsky | Definitive text for Fourier, Laplace, and z-transform — essential for EC and EE | |
| Communication Systems (4th Ed.) | Haykin and Moher | Clear mathematical treatment of analog and digital communications; well-matched to GATE EC | |
| EE | Electric Machinery Fundamentals | Stephen Chapman | Clear, well-structured treatment of transformers, DC and AC machines |
| Modern Power System Analysis | Nagrath and Kothari | Most widely used reference for Power Systems; covers load flow, fault analysis, and stability | |
| Modern Control Engineering (5th Ed.) | Katsuhiko Ogata | Covers control theory with Bode, Nyquist, and root locus in full detail | |
| ME | Engineering Thermodynamics | P. K. Nag | Most popular thermodynamics textbook for GATE ME; covers all cycles and steam tables |
| Fluid Mechanics and Hydraulic Machines | R. K. Bansal | Well-matched to GATE ME fluid mechanics section; strong on solved examples | |
| Strength of Materials | R. K. Bansal | Straightforward theory and solved problems; highly relevant to GATE ME SOM questions | |
| CE | Soil Mechanics and Foundation Engineering | K. R. Arora | Comprehensive geotechnical reference covering all GATE CE geotechnical topics |
| Reinforced Concrete Design (3rd Ed.) | Pillai and Menon | Best IS 456-based RC design reference; highly relevant for GATE CE structural section | |
| RA (New) | Introduction to Robotics: Mechanics and Control | John J. Craig | Standard robotics textbook; covers DH parameters, kinematics, dynamics, and trajectory planning |
How to Download GATE 2027 Syllabus PDF
IIT Madras has published all 30 subject-wise GATE 2027 syllabus PDFs on the official portal. Follow these steps to download the PDF for your paper.
- Visit the official GATE 2027 website: gate2027.iitm.ac.in.
- Click on "Syllabus" or "Information Brochure" in the homepage navigation menu.
- Select your subject paper from the list of 30 papers (e.g., CS, EC, EE, ME, CE, RA).
- Click on the paper name or the PDF icon — the syllabus will open in a new browser tab.
- Press Ctrl + S (Windows) or Cmd + S (Mac) to save the PDF to your device.
- Alternatively, click the download icon in the PDF viewer toolbar to save the file.
- If downloading the BT syllabus, compare it with the GATE 2026 BT PDF to identify every added and removed topic before preparing.
Note: All 30 subject-wise syllabus PDFs are currently available at gate2027.iitm.ac.in. If a PDF does not load, clear your browser cache and retry.
GATE 2027 Preparation Strategy
GATE 2027 rewards depth over breadth. A topic-wise plan anchored to the official syllabus — with weekly mock tests from Month 4 — is the most reliable approach. Use the weightage tables above to allocate study time proportionally.
General Aptitude Strategy
- Spend 1–1.5 hours per week on GA throughout your preparation — not as a last-minute add-on.
- Practise at least 200 Verbal Ability questions from previous GATE papers; focus on passage-based reasoning.
- Build speed on Data Interpretation and numerical aptitude with 5–10 problems per sitting, daily.
- GA questions are not difficult, but time pressure in the exam causes avoidable mistakes — build pace early.
Engineering Mathematics Strategy
- Engineering Mathematics carries 13–15 marks in nearly every GATE paper — treat it as a core section, not a supplement.
- For CS students, Discrete Mathematics (Graphs, Logic, Combinatorics) is the highest exam-frequency sub-topic.
- For EC and EE students, transform theory (Laplace, Fourier, z-transform) appears in both Engineering Mathematics and core sections — cover it once, apply it everywhere.
- Solve all GATE Engineering Mathematics questions from 2015 onwards — patterns are highly repetitive.
CS/IT Paper Strategy
- Start with Data Structures and Algorithms — they form the core of the CS paper and underpin OS and Database questions.
- Solve every GATE CS question from 2010 to 2026 — this single exercise covers 60–70% of the exam’s likely question space.
- For OS and Databases, focus on numerical problem types: scheduling algorithms, page replacement, SQL query execution.
- Theory of Computation and Compiler Design require sustained practice — solve 100+ questions from each before the exam date.
- Take at least 10 full-length mock tests in the 2 months before the exam.
EC and EE Paper Strategy
- Begin with Network Theory (Electric Circuits) — it underlies Analog Circuits, Power Systems, and Signals and Systems.
- Signals and Systems is a bridge topic: master Laplace and Fourier transforms before tackling Control Systems and Communications.
- EE students should practise Power Systems and Electrical Machines numericals extensively — these sections dominate the EE paper.
- Use GATE EC and EE papers from 2018 to 2026 as your primary mock test pool.
ME and CE Paper Strategy
- Cover Thermodynamics and Fluid Mechanics early in the ME cycle — they carry the highest combined weightage.
- For CE, Structural Engineering is the top priority; it spans multiple sub-sections and carries 20–25% of marks.
- Students should solve all GATE ME and CE papers from the last 10 years before attempting full-length mock tests.
- Industrial Engineering topics in ME (queuing theory, PERT/CPM, EOQ) yield direct marks with minimal preparation time — do not skip them.
Robotics and Automation (RA) — New Paper Strategy
- The RA paper has no historical GATE question bank — base preparation entirely on the official GATE 2027 RA syllabus PDF.
- Part A (60 marks) is the priority: Engineering Mathematics, Mechatronics, and Robotics fundamentals together form the backbone of the paper.
- Choose your Part B stream (EE or ME) based on your undergraduate background — do not split preparation across both Part B options.
- Use Craig’s Introduction to Robotics for kinematics and dynamics; Bolton’s Mechatronics is recommended for Mechatronics basics.
GATE 2027 Syllabus FAQs
Ques. Is the GATE 2027 syllabus different from GATE 2026?
Ans. Yes. GATE 2027 introduces a brand-new 30th paper — Robotics and Automation (RA) — and a major overhaul of the Biotechnology (BT) syllabus, where more than 50% of the content has been revised. CRISPR-Cas, NGS, proteomics, epigenetics, and systems biology are among the newly added BT topics. Two-paper combination rules and city allocation rules have also changed. For all other papers (CS, EC, EE, ME, CE, and others), the syllabus remains largely unchanged from GATE 2026.
Ques. Which is the new paper in GATE 2027?
Ans. Robotics and Automation (code: RA) is the new 30th paper introduced by IIT Madras for GATE 2027. It has a unique two-part structure. Part A is mandatory (60 marks) and covers Engineering Mathematics, Mechatronics, and Robotics Principles. Part B is choice-based (25 marks) — you pick either EE stream (Part B1) or ME stream (Part B2) based on your background. General Aptitude contributes the remaining 15 marks.
Ques. Which IIT is organizing GATE 2027?
Ans. IIT Madras is organizing GATE 2027. The official notification was released on July 20, 2026. The official website is gate2027.iitm.ac.in. The organizing institute rotates annually among IISc and the seven IITs (Bombay, Delhi, Guwahati, Kanpur, Kharagpur, Madras, Roorkee).
Ques. How many papers are there in GATE 2027?
Ans. GATE 2027 has 30 subject-specific papers — one more than GATE 2026’s 29 papers. The new addition is Robotics and Automation (RA). You can appear in one or two papers per cycle, subject to the allowed combinations in the official GATE 2027 brochure at gate2027.iitm.ac.in.
Ques. Which section has the highest weightage in GATE 2027 CS?
Ans. Algorithms and Data Structures together carry the highest weightage in GATE CS at 15–18% of total marks. Operating Systems (10–12%), Computer Networks (8–10%), and Databases (8–10%) are the next highest technical sections. Engineering Mathematics adds 13–15% and General Aptitude contributes 15%.
Ques. What are the major changes in GATE 2027 Biotechnology (BT) syllabus?
Ans. The GATE 2027 BT syllabus has been revised by over 50%. Key additions include CRISPR-Cas genome editing, next-generation sequencing (NGS), genomics, proteomics, bioinformatics, epigenetics, systems biology, immunology (in depth), biosensors, recombination-based cloning, and omics tools. Bayesian statistics and vector calculus have also been added to the BT Engineering Mathematics sub-section. Students appearing for BT must use only the official GATE 2027 BT syllabus PDF — the 2026 version is significantly outdated.
Ques. Where can I download the official GATE 2027 syllabus PDF?
Ans. The official GATE 2027 subject-wise syllabus PDFs are available at gate2027.iitm.ac.in. Navigate to the Syllabus section and select your paper code to download the relevant PDF. All 30 papers are currently available for download.
Ques. When does GATE 2027 registration open?
Ans. GATE 2027 online registration opens on August 14, 2026 at gate2027.iitm.ac.in. You should register before the last date without the late fee to avoid the additional charge. The GATE 2027 exam is scheduled for February 6, 7, 13, 14, 20, and 21, 2027.
Ques. Is Engineering Mathematics included in all GATE 2027 papers?
Ans. Engineering Mathematics is a compulsory sub-section in most GATE 2027 technical papers including CS, EC, EE, ME, CE, CH, IN, DA, and RA. It typically carries 13–15 marks per paper. It is embedded throughout the content in science papers (such as PH) and is structured differently in the XE and XH papers.
Ques. How long is the GATE 2027 score valid?
Ans. The GATE 2027 score is valid for three years from the date of result declaration. You can use it for M.Tech and Ph.D. admissions at IITs, NITs, IISc, and other institutes, and for PSU recruitment drives, throughout this three-year window.
Ques. Can I appear for two papers in GATE 2027?
Ans. Yes, GATE 2027 allows you to appear for two papers in the same cycle, subject to the list of allowed paper combinations in the official information brochure. The combination rules have been updated for 2027 to include the new RA paper. Check the updated combination list carefully before registering — both papers must be from the allowed set and your exam city must have both scheduled.
Ques. How should I cover the full GATE 2027 syllabus in 6 months?
Ans. Divide 6 months into three phases. Months 1–3 (Foundation): Cover the full syllabus chapter by chapter using standard textbooks; solve GATE previous year questions for each topic as you finish it. Months 4–5 (Practice): Take 2–3 full-length mock tests per week; analyse every mistake and revisit weak topics. Month 6 (Revision): Revise formula sheets, solved numericals, and previous year papers only — no new topics in the final month. Students who attempt all GATE papers from 2015 onwards consistently perform better due to familiarity with question style and time management.
*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College.
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