GATE Answer Key | Download Official Keys PDFs

GATE Answer Key PDFs: Candidates can analyse these GATE Official Answer Keys with the marking schemes and get an idea about the probable scores for the GATE exams, as they are released before the GATE Results declaration. In this article, we have tried to compile the list of GATE Answer Keys, both subject-wise and year-wise.

In this article,

Candidates can refer to Answer Key to check the questions asked in the respective GATE exam and the correct answers for the same. Along with the GATE answer key, the qualifying marks are also published on the official website. For Important Dates of GATE Exams 2022 – Visit GATE Exam Date

Meanwhile, here in this article below, we have compiled the GATE Answer Key with Solution both subject-wise and year-wise. As the latest answer keys have not gone live, we have compiled the official previous years’ GATE answer keys. Candidates can keep checking the page for further updates.

GATE Answer Keys – Subject Wise

GATE Answer Keys – Year Wise

In the tables below, please find the year-wise GATE Answer Key. After solving the question papers, candidates can refer to all these answer keys to self analyse their exam preparation.

Find GATE Answer Keys By Year:

GATE Answer Key 2022

GATE 2022 Candidate’s Response will be available now in the Application Portal and released on 15th February 2022. Also, the GATE 2022 Answer Keys  is now available in the Application Portal and released on 21st February 2022. Candidates will also be able to challenge the answer keys from 22nd to 25th February 2022. 

Candidates who appeared in the GATE exam 2022 can easily access the answer key from the official portal, as the sheet is now available in the application portal. Candidates can also check the answer key 2022 in the table below:

Date of Exam Paper/Subject Answer Key PDF BYJU’S Solved Answer Keys
13th February 2022 Mechanical Engineering (ME)- Session 1 Download Download
13th February 2022 Mechanical Engineering (ME)- Session 2 Download Download
6th February 2022 Electronics and Communication Engineering (EC) Download Download
12th February 2022 Civil Engineering (CE)- Session 1 Download Download
12th February 2022 Civil Engineering (CE)- Session 2 Download Download
5th February 2022 Computer Science and Information Technology (CS) Download Download
5th February 2022 Electrical Engineering (EE) Download Download
6th February 2022 Chemical Engineering (CH) Download
6th February 2022 Chemistry (CY) Download
6th February 2022 Environmental Science and Engineering (ES) Download
6th February 2022 Instrumentation Engineering (IN) Download
13th February 2022 Aerospace Engineering (AE) Download
6th February 2022 Agricultural Engineering (AG) Download
13th February 2022 Architecture and Planning (AR) Download
5th February 2022 Biomedical Engineering (BM) Download
12th February 2022 Biotechnology (BT) Download
12th February 2022 Ecology and Evolution (EY) Download
5th February 2022 Mathematics (MA) Download
12th February 2022 Physics (PH) Download
13th February 2022 Geomatics Engineering (GE) Download
6th February 2022 Geology (GG) Download
6th February 2022 Geophysics (GG) Download
13th February 2022 Petroleum Engineering (PE) Download
6th February 2022 Production and Industrial Engineering (PI) Download
6th February 2022 Mining Engineering (MN) Download
6th February 2022 Metallurgical Engineering (MT) Download
6th February 2022 Naval Architecture and Marine Engineering (NM) Download
6th February 2022 Statistics (ST) Download
6th February 2022 Textile Engineering and Fibre Science (TF) Download
12th February 2022 Engineering Sciences (XE) Download
12th February 2022 Life Science (XL) Download
6th February 2022 Humanities and Social Sciences (XH) Download

GATE Answer Key 2021

The best way to prepare for the upcoming GATE exams is to refer to the GATE 2021 Answer keys of the respective subject. Candidates can refer to these solutions and identify the mistakes to rectify them before the exams, so that they do not repeat the same for GATE exams. You can check the GATE 2021 Answer Key below:

Date of Exam Paper/Subject Answer Key PDF BYJU’S Solved Answer Key
February 14, 2021 (Forenoon) Mechanical Engineering (ME)- Session 1 Download Download
February 14, 2021 (Afternoon) Mechanical Engineering (ME)- Session 2 Download Download
February 7, 2021 (Afternoon) Electronics and Communication Engineering (EC) Download Download
February 6, 2021 (Forenoon) Civil Engineering (CE)- Session 1 Download Download
February 6, 2021 (Afternoon) Civil Engineering (CE)- Session 2 Download Download
February 13, 2021 (Forenoon) Computer Science and Information Technology (CS) Session 1 Download Download
February 13, 2021 (Afternoon) Computer Science and Information Technology (CS) Session 2 Download Download
February 7, 2021 (Forenoon) Electrical Engineering (EE) Download Download
February 13, 2021 (Forenoon) Chemical Engineering (CH) Download
February 6, 2021 (Forenoon) Chemistry (CY) Download
February 7, 2021 (Afternoon) Environmental Science and Engineering (ES) Download
February 6, 2021 (Forenoon) Instrumentation Engineering (IN) Download
February 6, 2021 (Afternoon) Aerospace Engineering (AE) Download
February 7, 2021 (Forenoon) Agricultural Engineering (AG) Download
February 6, 2021 (Afternoon) Architecture and Planning (AR) Download
February 6, 2021 (Afternoon) Biomedical Engineering (BM) Download
February 13, 2021 (Forenoon) Biotechnology (BT) Download
February 7, 2021 (Forenoon) Ecology and Evolution (EY) Download
February 13, 2021 (Forenoon) Mathematics (MA) Download
February 6, 2021 (Afternoon) Physics (PH) Download
February 7, 2021 (Forenoon) Geology and Geophysics (GG) Download
February 7, 2021 (Afternoon) Petroleum Engineering (PE) Download
February 7, 2021 (Afternoon) Production and Industrial Engineering (PI) Download
February 6, 2021 (Afternoon) Mining Engineering (MN) Download
February 14, 2021 (Afternoon) Metallurgical Engineering (MT) Download
February 7, 2021 (Afternoon) Statistics (ST) Download
February 13, 2021 (Forenoon) Textile Engineering and Fibre Science (TF) Download
February 13, 2021 (Afternoon) Engineering Sciences (XE) Download
February 13, 2021 (Afternoon) Life Science (XL) Download
February 14, 2021 (Forenoon) Humanities and Social Sciences (XH) Download

GATE Answer Key 2020

One of the best preparation strategies that any candidate can devise to ace the GATE exams is to refer to the GATE 2020 Answer key. Referring to these solutions also helps to identify the mistakes and rectify them before the exams so that they do not repeat the same for GATE exams.

Date of Exam Paper/Subject Answer Key PDF BYJU’S Solved Answer Key
February 1, 2020  Mechanical Engineering (ME)- Session 1 Download Download
February 1, 2020  Mechanical Engineering (ME)- Session 2 Download Download
February 2, 2020 Electronics and Communication Engineering (EC) Download Download
February 9, 2020 Civil Engineering (CE)- Session 1 Download Download
February 9, 2020 Civil Engineering (CE)- Session 2 Download Download
February 8, 2020 Computer Science and Information Technology (CS) Download Download
February 8, 2020 Electrical Engineering (EE) Download Download
February 2, 2020 Chemical Engineering (CH) Download
February 1, 2020 Chemistry (CY) Download
February 1, 2020 Instrumentation Engineering (IN) Download
February 2, 2020 Aerospace Engineering (AE) Download
February 2, 2020 Agricultural Engineering (AG) Download
February 2, 2020 Architecture and Planning (AR) Download
February 2, 2020 Biomedical Engineering (BM) Download
February 2, 2020 Biotechnology (BT) Download
February 8, 2020 Ecology and Evolution (EY) Download
February 2, 2020 Mathematics (MA) Download
February 1, 2020 Physics (PH) Download
February 2, 2020 Geology and Geophysics (GG) Download
February 1, 2020 Petroleum Engineering (PE) Download
February 1, 2020 Production and Industrial Engineering (PI) Download
February 2, 2020 Mining Engineering (MN) Download
February 1, 2020 Metallurgical Engineering (MT) Download
February 2, 2020 Statistics (ST) Download
February 8, 2020 Textile Engineering and Fibre Science (TF) Download
February 2, 2020 Engineering Sciences (XE) Download
February 2, 2020 Life Science (XL) Download

GATE 2019 Answer Key

Candidates are advised to solve the GATE previous year paper and then later refer to the corresponding GATE Official Answer Key 2019 to gauge their performance. In addition, candidates should refer to these answer keys often if they ever have any doubts regarding the questions asked in the GATE exam question paper for the respective year. Also Explore, GATE 2019 Question Paper

Date of Exam Paper/Subject Answer Key Byju’s Solved Answer Keys
February 2, 2019 Mechanical Engineering (ME)- Session 1 Download Download
February 2, 2019 Mechanical Engineering (ME)- Session 2 Download Download
February 9, 2019 Electronics and Communication Engineering (EC) Download Download
February 10, 2019 Civil Engineering (CE)- Session 1 Download
February 10, 2019  Civil Engineering (CE)- Session 2 Download
February 3, 2019  Computer Science and Information Technology (CS) Download Download
February 9, 2019  Electrical Engineering (EE) Download Download
February 3, 2019 Ecology and Evolution (EY) Download
February 3, 2019  Instrumentation Engineering (IN) Download
February 3, 2019  Aerospace Engineering (AE) Download
February 3, 2019  Agricultural Engineering (AG) Download
February 3, 2019  Architecture and Planning (AR) Download
February 3, 2019  Biotechnology (BT) Download
February 2, 2019  Chemical Engineering (CH) Download
February 2, 2019 Chemistry (CY) Download
February 3, 2019  Mathematics (MA) Download
February 3, 2019  Physics (PH) Download
February 3, 2019  Geology and Geophysics (GG) Download
February 3, 2019  Petroleum Engineering (PE) Download
February 3, 2019 Production and Industrial Engineering (PI) Download
February 2, 2019 Mining Engineering (MN) Download
February 3, 2019  Metallurgical Engineering (MT) Download
February 3, 2019 Statistics (ST) Download
February 2, 2019 Textile Engineering and Fibre Science (TF) Download
February 2, 2019 Engineering Sciences (XE) Download
February 2, 2019 Life Science (XL) Download

GATE Answer Key 2018

GATE 2018 Answer key with the solution is the perfect reference material for the candidates who aspire to ace the GATE exams. Candidates can first solve the previous year’s papers and then refer to the respective answer key to identify where they have gone wrong. Also Explore, GATE 2018 Question Paper

Date of Exam Paper/Subject Official Answer Key BYJU’S Solved Answer Keys
February 3, 2018 (Forenoon) Mechanical Engineering (ME)- Session 1 Download Download
February 3, 2018 (Afternoon) Mechanical Engineering (ME)- Session 2 Download Download
February 10, 2018 (Forenoon) Electronics and Communication Engineering (EC) Download Download
February 4, 2018 (Forenoon) Computer Science and Information Technology (CS) Download Download
February 10, 2018 (Afternoon) Electrical Engineering (EE) Download Download
February 11, 2018 (Forenoon) Civil Engineering (CE)- Session 1 Download
February 11, 2018 (Forenoon) Civil Engineering (CE)- Session 2 Download
February 3, 2018 (Afternoon) Aerospace Engineering (AE) Download
February 4, 2018 (Afternoon) Agricultural Engineering (AG) Download
February 4, 2018 (Afternoon) Architecture and Planning (AR) Download
February 4, 2018 (Afternoon) Biotechnology (BT) Download
February 4, 2018 (Afternoon) Chemical Engineering (CH) Download
February 4, 2018 (Afternoon) Chemistry (CY) Download
February 3, 2018 (Forenoon) Ecology and Evolution (EY) Download
February 4, 2018 (Afternoon) Geology and Geophysics (GG) Download
February 4, 2018 (Afternoon) Instrumentation Engineering (IN) Download
February 3, 2018 (Afternoon) Mathematics (MA) Download
February 4, 2018 (Forenoon) Mining Engineering (MN) Download
February 4, 2018 (Afternoon) Metallurgical Engineering (MT) Download
February 3, 2018 (Forenoon) Petroleum Engineering (PE) Download
February 4, 2018 (Afternoon) Physics (PH) Download
February 3, 2018 (Afternoon) Production and Industrial Engineering (PI) Download
February 4, 2018 (Afternoon) Textile Engineering and Fibre Science (TF) Download
February 3, 2018 (Forenoon) Engineering Sciences (XE) Download
February 3, 2018 (Forenoon) Life Science (XL) Download

Answer Key GATE 2017

GATE Answer Key 2017 helps the candidates to self analyse their performance or exam preparation. Accordingly, they can plan for their studies more efficiently so that they ace the GATE exams. Also Explore, GATE 2017 Question Paper

Date of Exam Paper/Subject Answer Key PDF
February 4, 2017  Mechanical Engineering (ME)- Session 1 Download
February 4, 2017 Mechanical Engineering (ME)- Session 2 Download
February 5, 2017 Electronics and Communication Engineering (EC) Download
February 12, 2017 Civil Engineering (CE)- Session 1 Download
February 12, 2017 Civil Engineering (CE)- Session 2 Download
February 11, 2017 Computer Science and Information Technology (CS) Download
February 11, 2017 Electrical Engineering (EE) Download
February 5, 2017 Aerospace Engineering (AE) Download
February 4, 2017 Agricultural Engineering (AG) Download
February 4, 2017 Architecture and Planning (AR) Download
February 5, 2017 Biotechnology (BT) Download
February 12, 2017 Chemical Engineering (CH) Download
February 5, 2017 Chemistry (CY) Download
February 5, 2017 Ecology and Evolution (EY) Download
February 4, 2017 Geology and Geophysics (GG) Download
February 12, 2017 Instrumentation Engineering (IN) Download
February 12, 2017 Mining Engineering (MN) Download
February 5, 2017 Metallurgical Engineering (MT) Download
February 5, 2017 Petroleum Engineering (PE) Download
February 5, 2017 Production and Industrial Engineering (PI) Download
February 5, 2017 Mathematics (MA) Download
February 5, 2017 Physics (PH) Download
February 4, 2017 Textile Engineering and Fibre Science (TF) Download
February 12, 2017 Engineering Sciences (XE) Download
February 12, 2017 Life Science (XL) Download

GATE Answer key 2016

GATE 2016 official Answer Key helps the candidates to identify their mistakes and correct them before the exams. Referring to the answer keys is also the best way to clear any doubt regarding the key topics included in the respective previous year question paper. Also Explore, GATE 2016 Question Paper

Date of Exam Paper/Subject Answer Key PDF
January 30, 2016 Mechanical Engineering (ME)- Session 1 Download
January 30, 2016 Mechanical Engineering (ME)- Session 2 Download
January 31, 2016 Mechanical Engineering (ME)- Session 3 Download
January 30, 2016 Electronics and Communication Engineering (EC) Session 1 Download
January 31, 2016 Electronics and Communication Engineering (EC) Session 2 Download
January 31, 2016 Electronics and Communication Engineering (EC) Session 3 Download
February 06, 2016 Civil Engineering (CE)- Session 1 Download
February 07, 2016 Civil Engineering (CE)- Session 2 Download
February 06, 2016 Computer Science and Information Technology (CS) Session 1 Download
February 06, 2016 Computer Science and Information Technology (CS) Session 2 Download
February 06, 2016 Electrical Engineering (EE) Session 1 Download
February 07, 2016 Electrical Engineering (EE) Session 2 Download
February 07, 2016 Aerospace Engineering (AE) Download
February 07, 2016 Agricultural Engineering (AG) Download
January 31, 2016 Architecture and Planning (AR) Download
January 30, 2016 Biotechnology (BT) Download
January 30, 2016 Chemical Engineering (CH) Download
January 31, 2016 Chemistry (CY) Download
February 07, 2016 Ecology and Evolution (EY) Download
January 30, 2016 Geology and Geophysics (GG) Download
January 31, 2016 Instrumentation Engineering (IN) Download
January 30, 2016 Mining Engineering (MN) Download
February 07, 2016 Metallurgical Engineering (MT) Download
January 31, 2016 Mathematics (MA) Download
January 31, 2016 Petroleum Engineering (PE) Download
February 07, 2016 Production and Industrial Engineering (PI) Download
January 30, 2016 Physics (PH) Download
February 07, 2016 Textile Engineering and Fibre Science (TF) Download
February 07, 2016 Engineering Sciences (XE) Download
February 07, 2016 Life Science (XL) Download

GATE Answer key 2015

Date of Exam Paper/Subject Answer Key PDF
January 31, 2015 Mechanical Engineering (ME)- Session 1 Download
February 1, 2015 Mechanical Engineering (ME)- Session 2 Download
February 1, 2015 Mechanical Engineering (ME)- Session 3 Download
January 31, 2015 Electronics and Communication Engineering (EC) Session 1 Download
January 31, 2015 Electronics and Communication Engineering (EC) Session 2 Download
February 1, 2015 Electronics and Communication Engineering (EC) Session 3 Download
February 8, 2015 Civil Engineering (CE)- Session 1 Download
February 8, 2015 Civil Engineering (CE)- Session 2 Download
February 7, 2015 Computer Science and Information Technology (CS) Session 1 Download
February 7, 2015 Computer Science and Information Technology (CS) Session 2 Download
February 8, 2015 Computer Science and Information Technology (CS) Session 3 Download
February 7, 2015 Electrical Engineering (EE) Session 1 Download
February 7, 2015 Electrical Engineering (EE) Session 2 Download
January 31, 2015 Ecology and Evolution (EY) Download
February 1, 2015 Instrumentation Engineering (IN) Download
February 1, 2015 Aerospace Engineering (AE) Download
January 31, 2015 Agricultural Engineering (AG) Download
January 31, 2015 Architecture and Planning (AR) Download
January 31, 2015 Biotechnology (BT) Download
January 31, 2015 Chemical Engineering (CH) Download
January 31, 2015 Chemistry (CY) Download
February 1, 2015 Mathematics (MA) Download
February 1, 2015 Physics (PH) Download
February 1, 2015 Geology and Geophysics (GG) Download
February 1, 2015 Production and Industrial Engineering (PI) Download
February 1, 2015 Mining Engineering (MN) Download
February 1, 2015 Metallurgical Engineering (MT) Download
February 1, 2015 Textile Engineering and Fibre Science (TF) Download
January 31, 2015 Engineering Sciences (XE) Download
January 31, 2015 Life Science (XL) Download

GATE Answer key 2014

Date of Exam Paper/Subject Answer Key PDF
February 15, 2014 Mechanical Engineering (ME) Session 1 Download
February 15, 2014 Mechanical Engineering (ME)- Session 2 Download
February 16, 2014 Mechanical Engineering (ME)- Session 3 Download
February 16, 2014 Mechanical Engineering (ME)- Session 4 Download
February 15, 2014 Electronics and Communication Engineering (EC) Session 1 Download
February 15, 2014 Electronics and Communication Engineering (EC) Session 2 Download
February 16, 2014 Electronics and Communication Engineering (EC) Session 3 Download
February 16, 2014 Electronics and Communication Engineering (EC) Session 4 Download
February 2, 2014 Civil Engineering (CE)- Session 1 Download
February 2, 2014 Civil Engineering (CE)- Session 2 Download
May 1, 2014 Computer Science and Information Technology (CS) Session 1 Download
May 2, 2014 Computer Science and Information Technology (CS) Session 2 Download
May 2, 2014 Computer Science and Information Technology (CS) Session 3 Download
May 1, 2014 Electrical Engineering (EE) Session 1 Download
May 2, 2014 Electrical Engineering (EE) Session 2 Download
May 2, 2014 Electrical Engineering (EE) Session 3 Download
February 2, 2014 Aerospace Engineering (AE) Download
February 2, 2014 Agricultural Engineering (AG) Download
February 2, 2014 Architecture and Planning (AR) Download
February 2, 2014 Biotechnology (BT) Download
February 2, 2014 Chemical Engineering (CH) Download
February 2, 2014 Chemistry (CY) Download
February 2, 2014 Ecology and Evolution (EY) Download
February 2, 2014 Geology and Geophysics (GG) Download
February 2, 2014 Instrumentation Engineering (IN) Download
February 2, 2014 Mathematics (MA) Download
February 2, 2014 Mining Engineering (MN) Download
February 2, 2014 Metallurgical Engineering (MT) Download
February 2, 2014 Production and Industrial Engineering (PI) Download
February 2, 2014 Physics (PH) Download
February 2, 2014 Textile Engineering and Fibre Science (TF) Download
February 2, 2014 Engineering Sciences (XE) Download
February 2, 2014 Life Science (XL) Download

How to access the GATE Answer Keys?

Below are the steps to Access the Answer Keys:

  1. Visit the official GATE website.
  2. Go to the “GATE 2021 Question Papers and Answer Keys Click here” link that will be updated once the answer keys are released.
  3. The question papers and answer keys can be found from these links
  4. Access the answer key and the corresponding question papers and get the PDF format.
  5. Can take the printout for future reference.

Steps to Calculate the Score with the help of GATE Answer Keys

First, identify the total number of correct answers and then allocate marks accordingly and subsequently calculate the overall marks. Finally, the candidate has to tally the overall negative marks for wrong attempts. Multiple Choice Questions (MCQs) will be given negative marks for wrong answers. Meanwhile, NAT questions will not have any negative marking. So the calculation is as follows:

  • MCQs Mark: Total marks (1 mark) + Total marks (2 marks)
  • Total marks (1 mark) = 1 x no. of correct attempts – 1/3 x no. of wrong attempts
  • Total marks (2 marks) = 2 x number of correct attempts – 2/3 x number of wrong attempts
  • NAT Marks: Total marks (1 mark) + Total marks (2 marks)

Formula: Total marks = Total marks secured for correct response – Negative marks for the wrong answer.

Steps to Challenge the GATE Answer Keys

Every candidate who aspires to challenge the answer keys can do so by paying INR 500 online, within a period specified by the authorities. To raise objections, the candidates have to follow the steps listed below:

  1. Get online on the official GATE website.
  2. Login with the registered ID and password.
  3. Then click on the link ‘GATE Answer Key 2021.’
  4. Choose the paper/discipline for which you had appeared.
  5. Now Click on ‘raise objection.’
  6. Identify the question number for which you want to object to the official answer key and then submit the question ID.
  7. Pay the objection fee via the available mode of payment.

The candidates can check the serial number of questions mentioned in the official question paper released on the website while challenging the GATE 2022 answer key. Moreover, candidates must also specify the section name and question number in the supporting document before uploading these documents. The expert committees consider the challenges on the GATE Answer Keys from the candidates. Then subsequently, the final answer keys are published based on the recommendations of the committees.

Significance of GATE Answer Key

Meanwhile, the GATE Answer Keys are of great significance. Here, we have listed some points to show the importance of these answer keys.

  • GATE answer keys constitute correct responses to the questions asked in the exams
  • These answer keys provided transparency to the admission process
  • They reduce the chance of unwanted penalisation of candidates
  • Candidates can analyse the marking scheme and answer keys to get an idea about the scores

Stay tuned with BYJU’S to get more information regarding the latest updates, exams and resources for the GATE.

Frequently Asked Questions

Are GATE Answer keys published on the official website?

Yes, it will be available on the GATE official website.

When will the GATE 2022 answer key be released?

It will be released on 21st February on the Application Portal.

Can I challenge the GATE answer key?

Yes, candidates can challenge the GATE answer key online by paying Rs 500 per question and providing proper proof for the challenge.

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