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GATE Answer Key 2021 (Released) Download Official Question Paper and Answer Key PDF

GATE Answer Key

GATE Answer Key 2021 is OUT Now!! Indian Institute of Technology, Bombay (IITB) has released GATE Answer Key on 26th February 2021 after conduction of GATE 2021 Examination. As the exam is conducting on February 6, 7, 13, and 14, 2021 and after that on 22 March 2021, Official GATE Exam Answer Sheet will be released. Participants can download GATE Question Paper and Answer Key in PDF from this page.

Highlights of GATE 2021 Exam:

Conducted By Indian Institute of Technology, Bombay
GATE Exam Date February 6, 7, 13, and 14, 2021
GATE Answer Key  Status Released
GATE Final answer key releases on 22 March 2021
GATE 2021 Result Will be Displayed 22-03-2021
Official Website

GATE Answer Key

Indian Institute of Technology, Bombay has released GATE 2021 Answer Key on 26th February 2021. Candidates can download GATE Question Papers and Answer Keys through below provided direct links. You can also get GATE Answer Key subject wise in PDF form here.

GATE 2021 Question Papers and Answer Keys

Paper NameQuestion PaperAnswer Key
AE: Aerospace EngineeringViewView
AG: Agricultural EngineeringViewView
AR: Architecture and PlanningViewView
BM: Biomedical EngineeringViewView
BT: BiotechnologyViewView
CE: Civil EngineeringView (CE-1)
View (CE-2)
View (CE-1)
View (CE-2)
CH: Chemical EngineeringViewView
CS: Computer Science and Information TechnologyView (CS-1)
View (CS-2)
View (CS-1)
View (CS-2)
CY: ChemistryViewView
EC: Electronics and Communication EngineeringViewView
EE: Electrical EngineeringViewView
ES: Environmental Science and EngineeringViewView
EY: Ecology and EvolutionViewView
GG: GeologyViewView
GG: GeophysicsViewView
IN: Instrumentation EngineeringViewView
MA: MathematicsViewView
ME: Mechanical EngineeringView (ME-1)
View (ME-2)
View (ME-1)
View (ME-2)
MN: Mining EngineeringViewView
MT: Metallurgical EngineeringViewView
PE: Petroleum EngineeringViewView
PH: PhysicsViewView
PI: Production and Industrial EngineeringViewView
ST: StatisticsViewView
TF: Textile Engineering and Fibre ScienceViewView
XE-A: Engineering MathematicsViewView
XE-B: Fluid MechanicsViewView
XE-C: Materials ScienceViewView
XE-D: Solid MechanicsViewView
XE-E: ThermodynamicsViewView
XE-F: Polymer Science and EngineeringViewView
XE-G: Food TechnologyViewView
XE-H: Atmospheric and Oceanic SciencesViewView
XH-C1: Humanities & Social Sciences – EconomicsViewView
XH-C2: Humanities & Social Sciences – EnglishViewView
XH-C3: Humanities & Social Sciences – LinguisticsViewView
XH-C4: Humanities & Social Sciences – PhilosophyViewView
XH-C5: Humanities & Social Sciences – PsychologyViewView
XH-C6: Humanities & Social Sciences – SociologyViewView
XL-P: ChemistryViewView
XL-Q: BiochemistryViewView
XL-R: BotanyViewView
XL-S: MicrobiologyViewView
XL-T: ZoologyViewView
XL-U: Food TechnologyViewView

Steps to Download GATE 2021 Answer Key

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

  • Students need to visit the official website of GATE 2021 that is
  • On the homepage, Press “GATE 2021 Question Papers and Answer Keys are available” Link
  • Now, GATE Question Papers and Final Answer Keys for all the papers will be available on your computer screen.
  • With the help of the GATE 2021 question papers and answer keys, candidates will be able to compare their answers and calculate their scores.

GATE Answer Key Download Here:

GATE Official Answer Key (Response Sheet)Press Here
Official WebsitePress Here

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 clearness in the admission process through GATE 2021.
  • It also provides the candidates with the scope of challenging the answer key released by the examination authority.
  • As mentioned earlier, the examination authority pays proper heed to the objections if can be justified with proper documents.

How to Calculate 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:

  • 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.
  • For MCQs: [(1 x No. of correct 1 mark MCQs) – (⅓ x No. of incorrect 1 mark MCQs)] + [(2 x No. of correct 2 Mark MCQs) – (⅔ x No. of incorrect 2 mark MCQs)]
  • For MSQs: Total marks for 1 mark MSQs + Total marks for 2 marks MSQs
  • For NATs: Total marks for 1 mark NATs + Total marks for 2 marks NATs

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

Important Links Related To GATE 2021

GATE Syllabus GATE Study Material
GATE Question PapersGATE Rank Predictor
GATE Eligibility CriteriaGATE Admit Card
GATE Application formGATE Login 
GATE ResultGATE Cut Off

 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

How to Raise Objections against GATE Answer Key 2021?

In case of any discrepancies in GATE Answer Key 2021, Students need to raise objections by paying a fee of Rs.500/- for each answer. To raise objections against GATE answer key, candidates can follow the steps mentioned below:

  • First of all, Candidates need to visit the official website of GATE 2021 that is
  • On the homepage, press “To Challenge/Contest the Questions/Answer Keys of GATE 2021 Click Here” link.
  • A login page will open on your computer screen.
  • Key in your Enrollment ID / Email Address and password to log in
  • The GATE answer keys and recorded responses will be displayed on the screen
  • Chose the answer code you want to challenge
  • Attach supporting document in PDF format along with the section name and question number in the supporting document.
  • Pay the objection fee through the available method of payment.

Press Here For: Direct link to raise objections against GATE 2021 Answer Key


Candidates can challenge the answer keys with detailed description and proof by paying 500 per question on the GOAPS portal using their own login credentials like previous years. Please note that the question number and answer key/range to be mentioned in challenge portal of GOAPS MUST be of the published ones given here and NOT that of the response sheet of the candidate.

GATE 2021 Cut Off (Expected)

After calculating marks from GATE 2021 answer key, candidates can use the GATE cut off to see if they will qualify the exam or not. The cut off for GATE in the previous year is as follows:

PaperGeneralOBC (NCL)SC/ST/PwD

Check Here:- Best Engineering Colleges in India

GATE 2021 – Important Dates

GATE Online Application Processing System (GOAPS) Website Opens14th September 2020
11th September 2020
Closing date of REGULAR online registration / application portal30th September 2020
7th October 2020
End of EXTENDED period for online registration / application
(with additional late fee of  500)
12th October 2020
14th October 2020
Last date of Intimation to Registered Candidates after FIRST Round of Scrutiny by Zonal Office26th October 2020
Re-opening of GOAPS Portal for Successfully Registered Candidates to change (ONE TIME) Category / City / Exam Paper
(Change of City is FREE and extra  500 for Category and Paper change)
28th October 2020
Last Date for change of Category, City & Exam Paper13th November 2020
Re-opening of GOAPS Portal for Successfully Registered Candidates to make FINAL CORRECTIONS (ONE TIME) in Application Form
(i) Contact Address, University/College Name and / or Degree Nomenclature is FREE OF COST.
(ii) Correction fees  500 for Name and / or Date of Birth
17th November 2020
Last Date for correction(s) in Application Form23rd November 2020
Last and Final Chance for City Correction in Application Form14th December 2020 to 15th December 2020
Availability of Admit Card on the Online Application Portal
(for download and printing)
8th January 2021
Miscellaneous Activities*5th February 2021 to
12th February 2021
GATE 2021 Examination
Forenoon:  9:30 AM to 12:30 PM
Afternoon: 3:00 PM to 6:00 PM
6th February 2021
7th February 2021
13th February 2021
14th February 2021
Candidates Responses are available on GOAPS Portal18th February 2021
Uploading of Answer Keys with Question Paperby 2nd March 2021
26th February 2021 
Challenges by candidates on Answer Keys with Payment of  500 for each question2nd March 2021
1st March 2021 to

4th March 2021 (up to 17:00 HRS)
Announcement of results in the Online Application Portal22nd March 2021

Also Check:- List of Engineering Entrance Exams


If you want to ask something related to GATE Answer Key 2021 then you may write it in the mentioned below comment box, our experts will try their best to solve your query. Visit the Official Link for more updates regarding the GATE Final Answer Key. You can also bookmark this page by pressing Ctrl.+D for time to time updates.

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