Pay your college fees in 6 easy installments at 0% interest
Learn More

GATE Answer Key 2021

Updated By Sakunth Kumar on 28 Feb, 2021 09:12

Get GATE Sample Papers For Free

GATE 2021 Official Answer Key (Released)

GATE 2021 official answer key has been released on February 26, 2021. The objections on the provisional answer key can be submitted from March 02 to 04. The response sheet is also available for download. The final answer key will be released after reviewing the objections on March 18. You can scroll down to download the paper-wise answer keys. 

Direct Link to Download GATE 2021 Official Answer KeyGATE 2021 Response Sheet
GATE 2021 Question PapersSteps to Challenge GATE Answer Key 2021

Also Check

GATE 2021 Marks vs RankGATE Cutoff for GFTIs
GATE 2021 CutoffGATE 2021 Exam Analysis
List of GATE Low Score Accepting CollegesList of NITs for GATE Score 600-700
List of NITs for GATE Score 500-600List of NITs for GATE Score 400-500
GATE Cutoff for IIITs-

The answer keys for GATE 2021 and question papers are available set-wise The answer key and question papers for all subjects can also be downloaded from the links mentioned below. Candidates can now calculate their probable scores by comparing their answers with the GATE 2021 answer keys. By calculating their probable scores, candidates will get an idea of their chances of admission to the desired institute. For calculating the probable score, GATE candidates must use the GATE 2021 marking scheme prescribed in the GATE 2021 Exam Pattern

CollegeDekho has provided all the detailed information related to GATE 2021 answer key and response sheet in the sections below.

GATE Answer Key


GATE 2021 Paper Wise Answer Key & Question Papers

You can click on the links below to download the paper wise answer keys of GATE 2021 -

Name of the PaperAnswer Key LinkName of the PaperAnswer Key Link
 PhysicsGATE 2021 PH Answer keyChemistryGATE 2021 CY Answer Key
MetallurgyGATE 2021 Metallurgy Answer KeyElectronics & CommunicationGATE 2021 ECE Answer Key (Full Solutions Available)
Mechanical EngineeringGATE 2021 ME Answer Key (Full Solutions Available)Computer Science (CS-1 & 2)GATE 2021 CS Answer Key (Full Solutions Available)
Instrumentation EngineeringGATE 2021 IN Answer KeyCivil EngineeringGATE 2021 CE-1 & 2 Answer Key (Full Solutions Available)
Mining EngineeringGATE 2021 MN Answer KeyXE Engineering SciencesGATE 2021 XE Answer Key
BiotechnologyGATE 2021 BT Answer KeyChemical EngineeringGATE 2021 CH Answer Key
StatisticsGATE 2021 ST Answer KeyMathematicsGATE 2021 MA Answer Key
AgricultureGATE 2021 AG Answer KeyElectrical EngineeringGATE 2021 EE Answer Key (Full Solutions Available)
ArchitectureGATE 2021 AR Answer KeyBiomedical EngineeringGATE 2021 BM Answer Key
Aerospace EngineeringGATE 2021 AE Answer KeyGeology & GeophysicsGATE 2021 GG Answer Key
Ecology & EvolutionGATE 2021 EY Answer KeyEnvironmental ScienceGATE 2021 ES Answer Key
Production & Industrial EngineeringGATE 2021 PI Answer Key (Full Solutions Available)Textile Engineering & Fiber TechnologyGATE 2021 TF Answer Key
Life Sciences (XL)GATE 2021 XL Answer KeyArts & Humanities (XH)GATE 2021 XH Answer Key

 Candidates will also get the opportunity to challenge the GATE 2021 answer key within a specific time span. They will have to pay an amount of Rs 500 to do so. It is to be noted that all the objections made by the candidates should be supported by valid documents. If the objections are found to be valid a fresh answer key will be released by the examination conducting authority. In case the objections are not justifiable by documents, they will be considered to be null and void. Apart from this, the examination authority, i.e IIT Delhi will also release the response sheet for all the papers by the second week of February 2021. All the candidates who appeared for the entrance will be able to access the response sheets by entering certain credentials such as enrollment ID/email address and password. 

GATE 2021 Answer Key Date

The important dates of GATE 2021 answer key are given as follows:



GATE 2021 Hall TicketJanuary 08, 2020

GATE 2021 Exam Date

February 06, 07, 13 & 14

GATE 2021 Answer Keys

February 26, 2021

Date to Raise ObjectionsMarch 02 to 04, 2021

GATE 2021 Exam Result

March 22, 2020

Steps to Download GATE 2021 Answer Key

Given below are a few steps that can help candidates download the answer key of GATE 2021:

  • Visit the official website of GATE 2021 (
  • On the homepage, you will be able to see a link that says 'To view GATE 2021 Question Papers and Answer Keys Click here'
  • Once you click on 'Click here', you will be taken to a page where Question Papers and Final Answer Keys for all the papers will be available.
  • On clicking the links, PDFs will open where the required Question Papers and Answer Keys will be available.
  • With the help of the GATE 2021 question papers and answer keys, candidates will be able to compare their answers and calculate their scores.

Purpose of GATE 2021 Answer Key

The major purpose for the release of GATE 2021 answer key has been provided in the pointers below:

  • The answer key is released to increase the level of transparency in the admission process through GATE 2021. It also helps in lessening down the unwanted penalization of the candidates.

  • It also provides the candidates with the scope of challenging the answer key released by the examination authority within the given time span.

  • As mentioned earlier, the examination authority pays proper heed to the objections if can be justified with proper documents.

Calculation of Probable Score Using GATE 2021 Answer Key

For calculating the probable score, applicants must follow the marking scheme as prescribed in the GATE 2021 Exam Pattern. Candidate can follow the steps given here to calculate the probable score:

  • Firstly, calculate the total number of correct attempts and allocate the marks accordingly and then calculate the overall correct answer marks.

  • After this, the candidate has to calculate the total negative marks for incorrect answers/efforts. 

  • It must be noted that only MCQs has negative marking. There is no negative marking for NAT questions in GATE 2021 examination.

Total Marks = Total marks secured for the correct response- Negative marks for the incorrect response.

Marking Scheme of GATE 2021

Take a quick glance at the marking scheme of GATE 2021 provided in the table below: 

CategoryCorrect AnswerIncorrect Answer
MCQs (Multiple Choice Questions)1 marks (1 x number of correct answers)1/3 (1/3 x number of wrong answers)
2 marks (2 x number of correct answers)2/3 (2/3 x number of wrong answers)
NAT (Numerical Answer Type)1 marksNo Negative Marking
2 marksNo Negative Marking

Want to know more about GATE

View All Questions

Related Questions

Can I get into any good Architecture College for M.Arch without clearing any Entrance?

-puneet pattnaikUpdated on October 14, 2020 08:27 PM
  • 1 Answer
Samiksha Rautela, Student / Alumni

Dear Student, 

To get admission in an M.Arch course, you are either required to qualify a national level entrance exam such as GATECEED, TANCET etc. or sit for institute level entrance exam. Go through the list of Top Private Colleges for M.Arch Admission and M.Arch Admissions 2020 in India to explore some options.

You can also either dial the helpline number 1800-572-9877 (toll-free) or fill the Common Application Form to talk to our admission experts. For the queries related to any course or college, write back in the QnA zone. 


Engineering 4th year student eligible for gate exam?

-AnonymousUpdated on September 18, 2020 03:07 PM
  • 1 Answer
Diksha Sharma, Student / Alumni

Dear Student,

Yes, the students who are in their final year of graduation or are awaiting their results can also apply for GATE Exam. However, it is important for the candidates to generate their qualification degree at the time of admission. Recently, the examination authority has made several changes to the GATE eligibility criteria. To learn about the new GATE eligibility, read GATE Eligibility Requirements.

Meanwhile, you can also go through other articles related to GATE to learn more:

What’s New in GATE 2021?

GATE 2021: List of Top 25 Government & Private Colleges for M.Tech Admission

Documents ...


What is minimum score of GATE required for M.Tech in Civil Engineering?

-khuspe yogiraj yashwantUpdated on September 02, 2020 12:47 PM
  • 1 Answer
Diksha Sharma, Student / Alumni

Dear Student,

The minimum GATE score required for M.Tech in Civil Engineering is 26-30 for General Category, 24-28 for OBC and 16-20 for SC/ ST. However, the cutoff varies for different institutes and colleges. You can check GATE cutoff to learn about the cutoff marks for different institutes for GATE Civil Engineering.

For more insights, do not forget to check NITs GATE Cutoff & M.Tech Admission Process and List of Top 25 Colleges for M.Tech Admission Through GATE.

You can also fill the Common Application Form on our website for admission-related assistance. You can also reach us ...


Still have questions about GATE Answer Key ? Ask us.

  • Typical response between 24-48 hours

  • Get personalized response

  • Free of Cost

  • Access to community

FAQs about GATE Answer Key

When will GATE 2021 answer key be released?

GATE 2021 answer key has been released on February 26.

Will GATE question papers be released with answer key?

Along with the answer keys, the question papers for GATE will be released, and the same can be downloaded in the PDF format. 

What is the different between GATE answer key & response sheet?

GATE response sheet is the answer sheet of the candidates, which will be released in PDF format. It will have the answers marked by the candidates, but not the correct answers. The correct answers can be cross-checked with the help of the answer key. 

Will GATE response sheet be released with answer key?

GATE answer key and response sheet will be released at a time.

Know best colleges you can get with your score

Get Free Counselling