GATE 2021 Instrumentation answer key (Available): Download PDF

Graduate Aptitude Test in Engineering 2026 ( GATE )

DeskCalelnderResult - 27 Mar '26 - 31 May '26

Updated on Feb 7, 2021 20:18 IST
GATE Instrumentation Answer Key 2021 is available for download now. Download GATE 2021 Instrumentation (IN) answer key pdf and calculate the probable scores.

GATE 2021 Instrumentation (IN) Answer Key has been released by Made Easy. Read more on how to download GATE 2021 IN answer key, calculation process and more from below.

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GATE 2021 Instrumentation Answer Key has been released by the coaching institute Made Easy. Graduate Aptitude Test Engineering (GATE) 2021 for Instrumentation was held on February 6 in the forenoon from 9:30 am to 12:30 pm. However, various coaching institutes like GATE Academy will release the GATE Instrumentation Answer Key few hours after the test.

The answer key will have the correct answers to all the questions asked in the examination. The GATE 2021 question paper for Instrumentation will also be released along with the answer key.

With the official GATE 2021 Instrumentation answer key, applicants will be able to calculate their expected scores by comparing the options marked by them. After this, candidates can also challenge the answer key within the specified time period by paying the fee of Rs 500 per objection. To know more about the GATE 2021 Instrumentation Answer Key, read the article below.

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GATE 2021 Instrumentation Exam Schedule

  • Exam Date– February 06
  • Session– 1
  • Time– 9.30 AM – 12.30 PM
  • Subject Paper– IN

GATE 2021 Instrumentation Answer Key by Coaching Institutes

GATE IN Answer Key

Links to download

 

GATE Academy

Available soon

Made Easy

Download here 

Table of contents
  • How to Download GATE 2021 Instrumentation Answer Key?
  • How to challenge the GATE 2021 Instrumentation Answer Key?
  • GATE 2021 Answer Key - Raise Objections
  • How to calculate GATE Score using the answer key?

How to Download GATE 2021 Instrumentation Answer Key?

Below are the simple steps to download GATE 2021 answer key for Instrumentation paper:

  • Visit the official website gate.iitb.ac.in
  • Click on the GATE 2021 answer key tab
  • On the login window, registration number and password
  • Now download GATE 2021 Instrumentation answer key and question paper

How to challenge the GATE 2021 Instrumentation Answer Key?

  1. Visit the official website of GATE
  2. Now login to the GATE Online Application Processing System (GOAPS) using the login credentials.
  3. Read all the guidelines carefully given on the portal.
  4. Not tick the right and agree by checking on the declaration. 
  5. Click on the “Contest Answer Key" tab and mail objections related to the answer.
  6. Rs 500 has to be paid via an online portal provided for every question. 
  7. For NRI candidates of GATE needs to pay the US $ 10 per objection.
  8. Do not forget to attach a justified proof for challenging the GATE 2021 answer key.

GATE 2021 Answer Key - Raise Objections

After the release of provisional GATE answer keys and response sheet, candidates got the opportunity to raise objections if they are not satisfied with the released answer keys. The authority considers the objections and if the objections are found genuine then the official answer key will be revised.

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How to raise objections against the GATE answer key? 

Candidates who want to raise any objections against the GATE answer key should fill an online form. Candidates must follow the below steps to access the online form and raise objections:

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  • Visit the official website of GOAPS
  • Login using registered credentials
  • Click on GATE 2021 answer key
  • Select the paper you appeared for
  • Click on "raise objection"
  • Check the question number from the official answer key and enter the question ID
  • Pay the objection fee through the available payment modes

How to calculate GATE Score using the answer key?

Candidates can use the below formulae to calculate the GATE scores.

GATE Score: Marks obtained for MCQs + Marks obtained for NAT questions

  • MCQ Marks: Total marks (1 marks) + Total marks (2 marks)
  • Total marks (1 marks) = 1 x number of correct answers – 1/3 x number of wrong answers
  • Total marks (2 marks) = 2 x number of correct answers – 2/3 x number of wrong answers
  • NAT Marks: Total marks (1 marks) + Total marks (2 marks)

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