GATE 2020

GATE - Answer Key

Graduate Aptitude Test in Engineering

Computer Based Test

GATE 2021 Answer Key(out): How to calculate Score?, Challenge Answer Key

Updated On - May 08 2021 by Anusha Pachauri

GATE 2021 Response Sheet has been released on 18 February 2021. Candidate can download the answer key of the GATE 2021 exam to check the correct answer and to calculate the marks. By GATE Exam, the admissions will be provided in the PG course M.Tech in many specialisations. Candidate can check the complete article to know more about the GATE 2021 answer key. IIT Bombay conducted GATE 2021 on 06-14 February 2021 in online mode. Test takers can download GATE 2021 question papers and answer keys released by IIT Bombay from its official website.
Latest Update:
  • GATE 2021 Final answer key has been released on the official website.
  • IIT has released the GATE 2021 Answer Key on 26 February 2021.
  • Candidates can challenge the answer key from 01-04 March 2021 with payment of Rs. 500/-.

GATE 2021 Answer Key

Official answer key of GATE 2021 will be released by the exam conducting authority along with the question paper of various courses. Candidates can also get their response sheet from the official website. With the help of answer key candidates can expect the marks which they will score in the final result. Candidates who want to raise objections against any answers will have to submit the supporting documents for the answers for which they are objecting. Candidates can raise objections regarding the same from 02 March 2021 to 04 March 2021 GATE 2021 final answer key will be released after considering the objections.

How to Calculate Score Using GATE 2021 Answer Key

Candidate can follow the given below steps to calculate their overall score:

Step 1: Download GATE 2021 answer key of subject paper in which candidates appear. Also, download the question paper and response sheet of GATE 2021.
Step 2: Now Candidate can match the responses given in the answer from the response mentioned in the response sheet.
Step 3: After which candidate can predict marks as per the marking scheme. It is as follows:.
Paper Code
GA Marks
Subject Marks
Total Marks
Negative Marking










·         1/3 mark is to be deducted for 1 mark question

·         2/3 mark is to be deducted for 2 marks question

XE (Section A +

any two sections)




XL (Section P +

any two sections)




Step 4: Candidates can get their estimated GATE score by adding or deducting score as per their responses.
What is GATE 2021 Answer Key Contesting? – Contesting the answer key is the same as challenging answer key. Candidates with any objection have to upload the document in favour of his or her response.

GATE 2021 Answer Key Challenge

Candidates can challenge the GATE 2021 official answer key. Candidate can submit their challenge online from the GOAPS website. For submitting the challenge, candidate have to pay the fee of Rs. 500 for each question challenged, as per last year.

Important points regarding challenging GATE 2021 answer key:
Upload document for challenge: Candidate have to submit the challenge by uploading supporting document for the contest. In this document, candidate have to mention the section and the question number against which the document is being uploaded.
Payment and refund of the fee: Candidate have to pay the challenge fee in online mode. Contests are accepted after payment is completed successfully. If conducting authority has to accept the challenge then fee against it is refunded.
Other important notes: While challenging, candidate must ensure that the question number is as per the official GATE 2021 question paper uploaded by IIT Bombay. Test takers have to select the right section and the question number which they wish to contest. If the question number and section are not identified,then the challenge is not considered.

How to Raise Objection in GATE 2021 Answer Key?

Step 1: Visit the official IIT Bombay website and on the page enter on “Contest against Answer Keys” button.
Step 2: Candidates will be then redirected to the Official Login page. After that enter their Login credentials generated during GATE application process. The candidates now have to select the question they have an objection against in the answer key and then upload a document file proving their claim.
Step 3: After uploading the relevant proofs, the candidates now have to make a payment against their claim and click on the submit button.

How to Download the Official GATE 2021 Answer Key?

Candidates can download the official GATE 2021 answer key from IIT B official website. Given below are some important points regarding GATE Answer key that candidates must check:

  • The answer key can be downloaded from official website of IIT Bombay which is
  • The answer key is uploaded in pdf format.
  • While downloading the answer key, candidates are advised to check the paper code.
  • Along with the answer key, candidates can also download question paper of GATE and the response sheet.




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