GATE Subject Wise Weightage 2027: High-Weightage Chapters based on Revised Syllabus

Graduate Aptitude Test in Engineering 2027 ( GATE )

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UPASANA
UPASANA PRADHAN
Assistant Manager- Editorial
Updated on Sep 28, 2026 17:40 IST
GATE Subject-Wise Weightage 2027: Candidates who are preparing for GATE 2027 can check subject-wise weightage for CSE, ME, CE, EE, ECE, and DA below. IIT Madras have announced the GATE exam dates, and this year, IIT Madras is hosting the MTech engineering entrance exam for six days for the first time. Read to know how to utlise GATE high weightage

GATE subject-wise weightage 2027: Candidates appearing for Graduate Aptitude Test in Engineering, can check GATE 2027 high-weightage topics for all 30 papers. Check GATE revised syllabus 2027 based important topics, chapters, and preparation tips. 

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GATE Subject-Wise Weightage: Important Topics, High Weightage Chapters for CSE, ME, EE, ME, and other papers

Candidates who are preparing for GATE 2027 can check subject-wise weightage for CSE, ME, CE, EE, ECE, and DA below. Candidates can find GATE 2027 high-weightage chapters for all 30 subjects. IIT Madras announced the GATE exam dates, and this year, IIT Madras is hosting the MTech engineering entrance exam for six days for the first time. Read below to know how to utilise GATE subject-wise weightage 2027 for preparation and revision for GATE 2027.

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Table of contents
  • GATE Subject-Wise Weightage: Understanding Exam Structure
  • Why GATE High-Weightage topics are important in preparation
  • GATE Subject-Wise Weightage 2027: Marks and Important Topics
  • GATE CSE Subject-Wise Weightage 2027
  • GATE Subject-Wise Weightage 2027: ME Important Topics
  • GATE 2027 High-Weightage Topics for Civil Engineering (CE)
  • GATE Subject-Wise Weightage 2027: EE High-Weightage Topics
  • GATE Life Sciences (XL) High-Weightage Topics 2027
  • GATE 2027 Subject-Wise Weightage: Data Science Important Topics
  • GATE Subject-Wise Weightage 2027: ECE High-Weightage Topics
View More

GATE Subject-Wise Weightage: Understanding Exam Structure

The GATE exam question paper is divided into three sections: General Aptitude, Engineering Maths, and core subject topics/chapters.

With question distribution, candidates are advised to check GATE 2027 exam pattern as well. Knowing the GATE paper pattern will help in planning on which topics to focus and revise. Doing this will help candidates obtain good marks in the GATE exam.  

Why GATE High-Weightage topics are important in preparation

High-Weightage topics in the Graduate Aptitude Test in Engineering are important because they maximise your score efficiency and secure a good GATE rank within a limited time period. Here’s why GATE high-weightage topics matter in preparation:

  • GATE total marks is 100. High-weightage topics play a major share in the question paper. Studying them secures a base scoring.

  • GATE exam syllabus is vast. Focusing on high-yield topics lets you cover 60 to 70% of the subject

  • High-weightage GATE topics can help you boost your rank. While low-weightage topics can help you clear the minimum GATE qualifying marks

GATE Subject-Wise Weightage 2027: Marks and Important Topics

Understanding high-weightage topics can ease your GATE preparation. Check the complete GATE subject-wise weightage for CSE, ME, EE, ECE, CE, DA, and XL, and other branches below.

GATE CSE Subject-Wise Weightage 2027

Based on the GATE 2027 syllabus changes, computer science portion in the Graduate Aptitude Test in Engineering has been revised in major sections: computer networks, digital logic, and computer organisation and architecture. Check GATE subject-wise weightage for CSE below:

Section

GATE Important Topics

Approx marks

Engineering Mathematics

Discrete maths, linear algebra, calculus, probability & statistics

13 to 15 marks

Digital Logic

Boolean algebra, K-maps, combinational/sequential circuits, number systems

6 to 8 marks

Computer Organisation and Architecture

Addressing modes, ALU/control unit design, cache &

memory hierarchy, pipelining

10 to 12 marks

Programming and Data Structures

C programming, recursion, arrays, linked lists, trees,

heaps, graphs

10 to 12 marks

Algorithms

Searching, sorting, hashing, complexity analysis,

greedy/DP/divide-and-conquer, graph algorithms

12 to 14 marks

Theory of computation

Finite automata, CFGs & PDAs, pumping lemma, Turing

machines, undecidability

10 to 12 marks

Compiler Design

Lexical analysis, parsing, syntax-directed translation,

intermediate code, data-flow optimisations

8 to 12 marks

Operating System

Processes/threads, concurrency, deadlock, CPU/IO

scheduling, memory management, file systems

12 to 14 marks

Databases

ER model, relational algebra, SQL, normalisation,

indexing (B/B+ trees), transactions & concurrency

10 to 12 marks

Computer Networks

Layering, switching, data link layer, routing, IPv4/CIDR,


TCP, DNS/HTTP

10 to 12 marks

Also read:

GATE Subject-Wise Weightage 2027: ME Important Topics 

Check GATE 2027 Mechanical Engineering (ME) high-weightage topics and expected marking distribution below. 

Section/Topics

Important topics

Approx marks

Engineering Maths

Linear algebra, calculus, differential equations,

complex variables, probability, numerical methods

13 to 15 marks

Applied Mechanics and Design

Engineering mechanics, mechanics of materials,

theory of machines, vibrations, machine design

15 to 17 marks

Fluid Mechanics and Thermal Sciences

Fluid mechanics, heat transfer, thermodynamics,

power/refrigeration cycles, turbomachinery

27 to 29 marks

Materials, Manufacturing, and Industrial Engineering

Engineering materials, casting/forming/joining,

machining, metrology, CAD/CAM, production planning,

operations research

27 to 29 marks

Also read: 

GATE 2027 High-Weightage Topics for Civil Engineering (CE)

Candidates can check GATE chapter-wise weightage of civil engineering (CE) below:

Section

Important topics

Approx marks

Engineering Mathematics

Linear algebra, calculus, differential equations,

complex variables, probability, numerical methods

13 to 15 marks

Geotechnical Engineering

Phase relationships & basic index properties, Darcy’s law & permeability, Seepage analysis & Flow nets, Effective stress principle, Shear strength of soil (Mohr-Coulomb failure criteria, direct shear & triaxial test conditions), Shallow foundation bearing capacity (Terzaghi’s & Meyerhof’s formulas), Deep foundations (Pile load capacity, group efficiency & settlement), Sub-surface investigations 

14 to 16 marks

Environmental Engineering

Water quality parameters (BOD, COD, Hardness, Alkalinity, Turbidity), Coagulation & Flocculation kinetics, BOD kinetics & reaction rates, Activated Sludge Process (ASP design parameters like F/M ratio, Self-purification of streams (Streeter-Phelps oxygen sag equation), Gaussian plume model 

10 to 12 marks

Water Resources Engineering (FM + OCF + Hydrology + Irrigation) 

Pipe flow & major/minor head losses (Darcy-Weisbach equation), Boundary layer theory (displacement & momentum thickness), Dimensional analysis, Drag and Lift forces, Uniform flow formulas (Manning’s & Chezy’s), Hydraulic jump analysis (sequent depth ratio, energy loss), Hydrograph analysis (Unit Hydrograph, S-curve derivation), Thiem’s & Dupuit’s formulas 

10 to 13 marks

Structural Engineering (SOM + SA + RCC + Steel) 

Shear Force (SFD) & Bending Moment Diagrams (BMD), Moment Distribution & Slope-Deflection methods, Influence Line Diagrams (ILD) for determinate beams and trusses. Limit State Method (LSM) design for flexure, shear, torsion, Limit State Design of tension and compression members, Bolted and welded connection design 

12 to 15 marks

Transportation Engineering 

Stopping Sight Distance (SSD), Overtaking Sight Distance (OSD), Greenshields model, Traffic signal design (Webster’s method), Delay calculations, Parking studies. IRC 37 flexible pavement design parameters (CBR method, structural layer coefficients), IRC 58 rigid pavement stress analysis (Westergaard’s temperature and load stresses, Expansion/Contraction joint design), Cant deficiency, Runway length basic corrections (Elevation, Temperature, Gradient). 

8 to 10 marks

Geomatics (Surveying) 

Error propagation laws, Weight of observations, Most probable value, Reciprocal levelling corrections, Latitude and Departure calculation, Bowditch’s rule, Scale of vertical aerial photographs, Relief displacement, GIS vector/raster data structures. 

5 to 7 marks

Construction Materials & Management (CMM) 

PERT, CPM (Critical path, Total Float, Free Float, Independent Float, Project Crashing), Concrete mix properties (Workability tests, Water-cement ratio, Target mean strength), Cement test properties 

4 to 5 marks

Also read: 

GATE Subject-Wise Weightage 2027: EE High-Weightage Topics

Candidates can check GATE Electrical Engineering (EE) high-weightage topics and expected marking distribution below. For detailed preparation, refer to GATE 2027 Electrical Engineering Syllabus. 

Sections

Important Topics

Approx marks

Engineering Maths

Linear algebra, calculus, differential equations, complex variables, probability, numerical methods

12 to 13 marks

Electrical Machines

Single & 3-Phase Transformers, Induction Motors, Synchronous Machines, DC Machines 

10 to 12 marks

Power Systems

Fault Analysis, Load Flow (Newton-Raphson), System Stability, Protection & Relays 

10 to 12 marks

Power Electronics

Phase-Controlled Rectifiers, DC-DC Choppers, Inverters, Power Semiconductor Switches 

9 to 11 marks

Electric Circuits (Networks)

Network Theorems (Thevenin/Norton), Transient Response (RLC), AC Power Analysis 

8 to 10 marks

Control Systems

Root Locus, Bode & Nyquist Plots, Routh-Hurwitz Stability, State-Space Analysis 

7 to 9 marks

Signals and Systems

LTI System Properties, Continuous/Discrete Fourier Transforms, Laplace & Z-Transforms 

6 to 8 marks

Analog and Digital Electronics

Op-Amps, Diode/BJT Amplifiers, Combinational Logic, Counters & Registers, ADC/DAC 

6 to 8 marks

Electromagnetic Fields

Coulomb & Gauss Laws, Magnetostatics, Maxwell's Equations, Poynting Vector 

4 to 6 marks

Measurements and Instrumentation

AC/DC Bridges, Instrument Transformers (CT/PT), Oscilloscopes, Digital Voltmeters 

3 to 5 marks

Also read: GATE EE Previous Year's Question Paper

GATE Life Sciences (XL) High-Weightage Topics 2027

Aspirants can check GATE XL important topics and chapters (elective-wise) below:

Sections

Topics

Chemistry

Thermodynamics, Reaction Kinetics, Structure& Bonding, Organic Mechanisms

Biochemistry

Metabolic Pathways, Enzyme Kinetics, Molecular Biology

Botany

Plant Physiology & Biochemistry, Genetics & Genomics

Microbiology

Microbial Genetics, Microbial Metabolism

Zoology

Genetics, Cell Biology, Animal Anatomy & Physiology

Food Technology

Food Chemistry & Nutrition, Food Products

Technology

GATE 2027 Subject-Wise Weightage: Data Science Important Topics

Candidates can check GATE Data Science important topics and subject-wise weightage below:

Section/Topics

Important Topics

Approx marks

Probability and Statistics

Distributions, Bayes theorem, hypothesis testing, confidence intervals, central limit theorem

14 to 16 marks

Linear Algebra

Vector spaces, matrix decompositions (LU, SVD), eigenvalues, rank and nullity, quadratic forms

12 to 14 marks

Calculus and Optimisation

Single-variable calculus, Taylor series, maxima/ minima, single-variable optimization

6 to 8 marks

Programming, Data Structures, and Algorithms

Python programming, core data structures, searching/ sorting, divide-and-conquer, graph basics

12 to 14 marks

Database Management and Warehousing

ER/relational model, SQL, normalization, data transformation, warehouse schemas

8 to 10 marks

Machine Learning

Regression, classification, SVM, decision trees, bias- variance, cross-validation, clustering, PCA

20 to 22 marks

Artificial Intelligence

Search strategies, propositional/predicate logic, reasoning under uncertainty, inference

10 to 12 marks

Also read:

GATE Subject-Wise Weightage 2027: ECE High-Weightage Topics

Candidates can check GATE ECE high-weightage and important topics below:

Section

GATE 2027 ECE important topics

Approx marks

Networks, Signals and Systems

Circuit analysis, LTI systems, Fourier/Laplace/Z- transforms, sampling, filter design

13 to 15 marks

Electronic Devices Energy bands, carrier transport, PN junction, BJT, MOSFET, LED/photodiode 6 to 8 marks
Analog Circuits Diode circuits, BJT/MOSFET amplifiers, op-amp circuits, compensation 8 to 10 marks
Digital Circuits Number systems, Boolean minimization, CMOS logic, sequential circuits, memories, computer organization 10 to 12 marks
Control Systems Transfer functions, block diagrams, stability criteria, Bode/root-locus, state-space 7 to 9 marks
Communications Random processes, analog/digital modulation, information theory, error correction 8 to 10 marks
Electromagnetics Maxwell's equations, plane waves, transmission lines, waveguides, antennas 7 to 9 marks

Also read:

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Commonly asked questions
Q:   Are previous year GATE papers helpful in preparation for the exam?
A: 

Surely, GATE previous year papers are very useful in preparation for the exam. It will help in understanding the overall exam structure, paper pattern and subejct-wise weightage of topics. Every GATE aspirant must solve GATE previous year papers. 

Q:   Will I get scribble pad to do rough work in GATE exam?
A: 

Yes, candidates will get a scribble pad in the GATE exam 2026 to do the rough work. Candidates have to write their name and registration number on the scribble pad before using it. However, the rough sheet must be returned after the completion of the exam. 

Q:   Is it wise to focus only on the GATE high-weightage topics in preparation?
A: 

No, doing this can be one of the harmful decisions that you are going to make in your GATE preparation. Instead, give attention to all the topics and chapters equally. You can start with the high-weightage topics and chapters in GATE first, but also try to give at least an hour per day to go through the lower weightage topics. Look for what sort of questions are asked in previous years, whether they are theoretical or numerically-based. Prepare according to that. By doing this, you are exercising a balanced GATE preparation. 

Q:   What is the ideal time to start GATE preparation?
A: 

There is no ideal time to start the GATE preparation. Start early (from the first year itself). It is mainly because your bachelor's topics and chapters have the most weightage in the GATE question paper. The topics that are taught in your third year are the backbone. If you are clear with the fundamentals and concepts (taught in classes), then you do not require extra time to prepare for GATE. Just revise and practice questions. That's enough. 

So, start preparing for GATE right from the first year. Your brain is fresh with the concepts and formulas, thus making it easy to solve the questions and prepare for the exam. 

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Upasana Pradhan is an Mtech graduate in Electronics and Communication Engineering from DTU who specialises in curating postgraduate and undergraduate engineering entrance exam content, such as GATE, TS PGECET, KCET,

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