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GATE Subjects

Know Complete GATE Exam Subjects List

GATE Subjects – Find here the complete GATE Exam Subject List. Have you ever wondered how many subjects are there in a GATE exam? Get further information about the GATE subjects list and see what are the subjects in the GATE exam. Most of you are always concerned with a burning question in mind, ‘What Subjects or papers do I select for GATE Exams’?

GATE Examinations have been conducted for 29 disciplines, since 2022.  Two new papers — GE (Geomatics Engineering) and NM (Naval Architecture and Marine Engineering), were introduced taking the total number of GATE papers to 29. In 2020, Humanities and Social Science (XS) and Environmental Science and Engineering (ES) made for 27 subjects. Now, you have to only opt for one or two papers out of the 29 papers or subjects that are available. For your convenience, we list all the GATE subjects in this article below.

List of GATE Subjects

Find in this table below the list of 29 subjects or papers that form the major section of the GATE exams, with the Paper codes mentioned.


  • AE: Aerospace Engineering
  • AG: Agricultural Engineering
  • AR: Architecture and Planning
  • BM: Biomedical Engineering
  • BT: Biotechnology
  • CE: Civil Engineering
  • CH: Chemical Engineering
  • CS: Computer Science and Information Technology
  • CY: Chemistry
  • EC: Electronics and Communication Engineering
  • EE: Electrical Engineering
  • EY: Ecology and Evolution
  • ES: Environmental Science and Engineering
  • GG: Geology and Geophysics
  • IN: Instrumentation Engineering
  • MA: Mathematics
  • ME: Mechanical Engineering
  • MN: Mining Engineering
  • MT: Metallurgical Engineering
  • PE: Petroleum Engineering
  • PH: Physics
  • PI: Production and Industrial Engineering
  • ST: Statistics
  • TF: Textile Engineering and Fibre Science
  • XE*: Engineering Sciences
  • XL*: Life Sciences
  • XH*: Humanities and Social Sciences
  • GE: Geomatics Engineering
  • NM: Naval Architecture and Marine Engineering

Meanwhile, Engineering Sciences, Life Sciences and Humanities and Social Sciences are general subjects and here, in this article below we have also compiled the list of papers under these general subjects with the paper codes.

GATE Exam Subjects XH, XL AND XE with Paper Codes

XE Paper Sections CODES
Engineering Mathematics

(Compulsory) (15 Marks)

Any Two Optional Sections (2 x35=70 marks)
Fluids Mechanics B
Materials Science C
Solid Mechanics D
Thermodynamics E
Polymer Science and Engineering F
Food Technology G
Atmospheric and Oceanic Sciences H
XH Paper Sections CODE
Reasoning and Comprehension

(Compulsory) (25 Marks)

Any One Optional Section (60 Marks)
Economics C1
English C2
Linguistics C3
Philosophy C4
Psychology C5
Sociology C6
XL Paper Sections CODE

(Compulsory) (25 Marks)

Any Two Optional Sections (2 x 30=60 Marks)
Biochemistry Q
Botany R
Microbiology S
Zoology T
Food Technology U

If you are opting for two subject papers, you must have a primary choice of paper, which is the default paper for the subject chosen and the second choice of paper, selected from the allowed combinations mentioned.

List of Combination of Two Papers Allowed For GATE Exams

Primary Paper Papers Allowed as Secondary Paper
Aerospace Engineering  Naval Architecture and Marine Engineering, Engineering Sciences
Agricultural Engineering Environmental Science and Engineering, Geomatics Engineering, Engineering Sciences, Life Sciences
Architecture and Planning Civil Engineering
Biomedical Engineering Biotechnology, Life Sciences  Electronics and Communication Engineering, Instrumentation Engineering
Biotechnology Biomedical Engineering, Life Sciences
Civil Engineering Aerospace Engineering, Architecture and Planning, Environmental Science and Engineering, Geomatics Engineering, Naval Architecture and Marine Engineering
Chemical Engineering Petroleum Engineering, Engineering Sciences
Computer Science and Information Technology Electronics and Communication Engineering, Geomatics Engineering, Maths, Statistics
Chemistry  Life Sciences
Electronics and Communication Engineering Instrumentation Engineering, Physics, Electrical Engineering, Computer Science and Information Technology, Geomatics Engineering
Electrical Engineering Electronics and Communication Engineering, Instrumentation Engineering
Environmental Science and Engineering Agricultural Engineering , Civil Engineering, Geomatics Engineering
Ecology and Evolution Life Sciences
Geomatics Engineering Civil Engineering, Geology and Geophysics, Environmental Science and Engineering, Mining Engineering
Geology and Geophysics Geomatics Engineering, Mining Engineering, Petroleum Engineering, Physics
Instrumentation Engineering Electronics and Communication Engineering, Electrical Engineering, Physics
Maths Computer Science and Information Technology, Geomatics Engineering, Physics,  Statistics
Mechanical Engineering Aerospace Engineering, Chemical Engineering, Naval Architecture and Marine Engineering, Production and Industrial Engineering, Engineering Sciences
Mining Engineering Geomatics Engineering, Geology and Geophysics, Engineering Sciences
Metallurgical Engineering Physics, Engineering Sciences
Petroleum Engineering Chemical Engineering, Geology and Geophysics, Engineering Sciences
Physics Electronics and Communications Engineering, Geomatics Engineering, Geology and Geophysics, Instrumentation Engineering, Mathematics, Metallurgical Engineering, Statistics, Engineering Sciences
Production and Industrial Engineering Mechanical Engineering, Metallurgical Engineering, Engineering Sciences
Naval Architecture and Marine Engineering Aerospace Engineering, Civil Engineering, Engineering Sciences
Statistics Mathematics, Physics
Textile Engineering and Fibre Science Engineering Sciences
Engineering Science Aerospace Engineering, Agricultural Engineering, Chemical Engineering,  Mechanical Engineering, Mining Engineering, Metallurgical Engineering,  Petroleum Engineering, Production and Industrial Engineering, Textile Engineering and Fibre Science, Naval Architecture and Marine Engineering
Humanities and Social Science Statistics
Life Sciences Biomedical Engineering, Biotechnology, Chemistry, Ecology and Evolution

For further updates about GATE exams or their study materials such as the Syllabus, GATE preparation books and so on, you can stay tuned to BYJU’S.


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