GATE 2021 Paper Codes: Names of Subjects & Their Paper Codes

Hi readers! This post will be of help to GATE aspirants from across India! Here, I’ve listed down paper codes of all subjects. If you are planning to appear for GATE 2021, you must be knowledgeable about relevant paper code. It will come handy while applying for the exam.

GATE 2021 Paper Codes

GATE exam is very popular among Engineering graduates. This is due to the fact that this exam can help Engineering graduates in many ways. For example, it can help them in –

  • Securing admission into IITs, NITs and other reputed Engineering Colleges for M.E. or M.Tech.
  • Enter the R&D sector.
  • Secure a job in reputed PSUs.


In this article, we will focus on Paper codes. Why paper codes, you may ask. GATE examination consists of 23 subjects! A candidate must choose one subject. It is better to choose a relevant subject. But at the end of the day, a candidate is eligible to choose any subject that he/she wants.


Each subject has a paper code associated with it. It is used to identify the subject easily. While filling up the application form (online), a candidate has to highlight his/her chosen subject through the paper code!


This is why you mus be aware of the relevant paper codes! After reading this post, you will be able to identify relevant paper code and use it in the future!


Here are paper codes for GATE 2021 –


GATE 2021 Paper Codes

Sr No GATE paper Paper code
1 Aerospace Engineering AE
2 Agricultural Engineering AG
3 Architecture and Planning AR
4 Biotechnology BT
5 Civil Engineering CE
6 Chemical Engineering CH
7 Computer Science and Information Technology CS
8 Chemistry CY
9 Electronics and Communication Engineering EC
10 Electrical Engineering EE
11 Ecology and Evolution EY
12 Geology and Geophysics GG
13 Instrumentation Engineering IN
14 Mathematics MA
15 Mechanical Engineering ME
16 Mining Engineering MN
17 Metallurgical Engineering MT
18 Petroleum Engineering PE
19 Physics PH
20 Production and Industrial Engineering PI
21 Textile Engineering and Fibre Science TF
22 Engineering Sciences XE
23 Life Sciences XL


Before finishing the post, let me provide you an overview of the examination. Here it is –

Exam Conducted by: IIT Bombay
Mode of examination: Online
Total subjects: 23
Total Marks: 100
Number of Questions: 65
Duration: 3 hours
Types of Questions: MCQs and Numerical Type Questions
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