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GATE Answer Keys: Year Wise PDF Download

Download GATE Answer Keys PDF for the last 5 years, including GATE 2025. Check official answer keys, question papers, and use them to estimate scores, analyse trends, and boost preparation for GATE 2026. Access subject-wise GATE answer keys 2021 to 2025 with detailed steps to download.
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GATE Answer Keys: Candidates who have appeared in GATE Exam, GATE Answer Keys play an important role in estimating Expected Score and as well GATE Rank in the following Exam. GATE Answer Keys not only help to estimate marks but also help in transparency in Exam process. GATE Exam is conducted in February by IITs & IISc. GATE Final Answer key 2025ย  was released on March 18, 2025.ย 

In this article, we will provide detailed information on GATE Answer Key, steps to download, and access to last 5 years, including GATE Answer Key 2025, GATE Answer Key 2024, GATE Answer Key 2023, GATE Answer Key 2022, and GATE Answer Key 2021 in PDFs.ย 

Also read GATE Exam 2026ย ย 

GATE Answer Keys Overviewย 

GATE Answer Keys were released by the officials. Candidates can match their selected answers to the official answer key and can raise objections to some questions. The objection window was opened for a given time period.ย 

GATE Answer Keys Overview is provided in table below

GATE Answer Key Overviewย 
Exam Name GATE Exam
Organizing Institute IITs & IISc
Purpose of the GATE Exam Providing Admission to M.E./ M.Tech/ PhD Courses and PSU Recruitments through GATE
Status Released
GATE Exam Dateย  Februaryย 
GATE 2025 Answer Key Release Date Februaryย 
Objection Raise dates Feb to March
GATE 2025 Final Answer Key March
GATE Official Websiteย  Decided by Organising Institutesย 

Also read GATE Exam 2026ย  Notificationย 

GATE Answer Key last 5 yearsย 

GATE Answer Key Last 5 Years is provided here in this article. Previous year answer keys help candidates to get exact answer of number of questions that were asked in previous Exam. This helps candidates in solving NATs and MQs, especially those that are asked in high percentages and carry high weightage. Candidates can download last 5 years’ GATE Answers keys in PDFs, provided the link below. This will help boost Preparation as well as ranking in the upcoming GATE Exam 2026.ย 

ย ย ย 

GATE Answer Key 2025 PDF

GATE Answer Key 2025 PDF along with theย  question Paper is provided in table belowย ย 

Question Paper Final Answer Key Question Paper Final Answer Key
Aerospace Engineering (AE) AEย  Instrumentation Engineering (IN) INย 
Agricultural Engineering (AG) AGย  Mathematics (MA) MAย 
Architecture and Planning (AR) ARย  Mechanical Engineering (ME) MEย 
Biomedical Engineering (BM) BMย  Mining Engineering (MN) MNย 
Biotechnology (BT) BTย  Metallurgical Engineering (MT) MTย 
Civil Engineering (CE-1) (Forenoon) CE-1ย  Naval Architecture and Marine Engineering (NM) NMย 
Civil Engineering (CE-2) (Afternoon) CE-2ย  Petroleum Engineering (PE) PEย 
Chemical Engineering (CH) CHย  Physics (PH) PHย 
Computer Science and Information Technology (CS-1) (Forenoon) CS-1ย  Production and Industrial Engineering (PI) PIย 
Computer Science and Information Technology (CS-2) (Afternoon) CS-2ย  Statistics (ST) STย 
Chemistry (CY) CYย  Textile Engineering and Fibre Science (TF) TFย 
Data Science and Artificial Intelligence (DA) DAย  Engineering Sciences (XE) XEย 
Electronics and Communication Engineering (EC) ECย  Humanities & Social Sciences – Economics (XH-C1) XH-C1 Key
Electrical Engineering (EE) EEย  Humanities & Social Sciences – English (XH-C2) XH-C2ย 
Environmental Science & Engineering (ES) ESย  Humanities & Social Sciences – Linguistics (XH-C3) XH-C3ย 
Ecology and Evolution (EY) EYย  Humanities & Social Sciences – Philosophy (XH-C4) XH-C4ย 
Geomatics Engineering (GE) GEย  Humanities & Social Sciences – Psychology (XH-C5) XH-C5ย 
Geology and Geophysics – Geology (GG-1) GG-1ย  Humanities & Social Sciences – Sociology (XH-C6) XH-C6ย 
Geology and Geophysics – Geophysics (GG-2) GG-2ย  Life Sciences (XL) XLย 

Also read GATE Exam 2026 Eligibilityย 

GATE Answer Key 2024 PDF

GATE Answer Key 2024 PDF, along with Question Paper, is provided in the table belowย 

GATE Paper Answer Key GATE Paper Answer Key
Aerospace Engineering AE Instrumentation Engineering IN
Agricultural Engineering AG Mathematics MA
Architecture and Planning AR Mechanical Engineering ME
Biomedical Engineering BM Mining Engineering MN
Biotechnology BT Metallurgical Engineering MT
Civil Engineering CE-1 Naval Architecture and Marine Engineering NM
Civil Engineering CE-2 Petroleum Engineering PE
Chemical Engineering CH Physics PH
Computer Science and Information Technology CS-1 Production and Industrial Engineering PI
Computer Science and Information Technology CS-2 Statistics ST
Chemistry CY Textile Engineering and Fibre Science TF
Data Science and Artificial Intelligence DA Engineering Sciences XE
Electronics and Communication Engineering EC Humanities & Social Sciences – Economics XH-C1
Electrical Engineering EE Humanities & Social Sciences – English XH-C2
Environmental Science & Engineering ES Humanities & Social Sciences – Linguistics XH-C3
Ecology and Evolution EY Humanities & Social Sciences – Philosophy XH-C4
Geomatics Engineering GE Humanities & Social Sciences – Psychology XH-C5
Geology and Geophysics – Geology GG-1 Humanities & Social Sciences – Sociology XH-C6
Geology and Geophysics – Geophysics GG-2 Life Sciences XL

ย GATE Answer Key 2023 PDF

GATE Answer Key 2023 PDF, along with Question Paper, is provided in table belowย 

GATE Paper Answer Key GATE Paper Answer Key
Aerospace Engineering AE Geology and Geophysics – Geology GG-1
Agricultural Engineering AG Geology and Geophysics – Geophysics GG-2
Architecture and Planning AR Instrumentation Engineering IN
Biomedical Engineering BM Mathematics MA
Biotechnology BT Mechanical Engineering ME
Civil Engineering CE-1 Mining Engineering MN
Civil Engineering CE-2 Metallurgical Engineering MT
Chemical Engineering CH Naval Architecture & Marine Engineering NM
Computer Science & Information Technology CS Petroleum Engineering PE
Chemistry CY Physics PH
Electronics & Communication Engineering EC Production & Industrial Engineering PI
Electrical Engineering EE Statistics ST
Environmental Science & Engineering ES Textile Engineering & Fibre Science TF
Ecology and Evolution EY Engineering Sciences XE
Geomatics Engineering GE Humanities & Social Sciences XH
Life Sciences XL

Also read GATE 2025 Cut Offย 

GATE Answer Key 2022 PDF

GATE Answer Key 2022 PDF, along with Question paper, is provided in table belowย 

GATE Paper Answer Key GATE Paper Answer Key
Aerospace Engineering AE Instrumentation Engineering IN
Agricultural Engineering AG Mathematics MA
Architecture and Planning AR Mechanical Engineering ME
Biomedical Engineering BM Mining Engineering MN
Biotechnology BT Metallurgical Engineering MT
Civil Engineering CE Naval Architecture & Marine Engineering NM
Chemical Engineering CH Petroleum Engineering PE
Computer Science & Information Technology CS Physics PH
Chemistry CY Production & Industrial Engineering PI
Electronics & Communication Engineering EC Statistics ST
Electrical Engineering EE Textile Engineering & Fibre Science TF
Environmental Science & Engineering ES Engineering Sciences XE
Ecology and Evolution EY Humanities & Social Sciences XH
Geomatics Engineering GE Life Sciences XL
Geology & Geophysics GG

GATE Answer Key 2021 PDF

GATE Answer Key 2021 PDF, along with Question Paper subject wise is provided in table belowย 

GATE Paper Answer keyย  GATE Paper Answer Keyย 
Aerospace Engineering AE Instrumentation Engineering IN
Agricultural Engineering AG Mathematics MA
Architecture and Planning AR Mechanical Engineering ME
Biomedical Engineering BM Mining Engineering MN
Biotechnology BT Metallurgical Engineering MT
Civil Engineering CE Petroleum Engineering PE
Chemical Engineering CH Physics PH
Computer Science & Information Technology CS Production & Industrial Engineering PI
Chemistry CY Statistics ST
Electronics & Communication Engineering EC Textile Engineering & Fibre Science TF
Electrical Engineering EE Engineering Sciences XE
Environmental Science & Engineering ES Humanities & Social Sciences XH
Ecology and Evolution EY Life Sciences XL
Geology & Geophysics GG

Also Read GATE Exam Preparationย 

GATE Answer Key 2020 PDFย 

GATE Answer Key 2020 PDF, along with Question paper subject wise provided in the table belowย 

GATE Paper Answer Keyย  GATE Paper Answer Key
Aerospace Engineering AE Instrumentation Engineering IN
Agricultural Engineering AG Mathematics MA
Architecture and Planning AR Mechanical Engineering ME
Biomedical Engineering BM Mining Engineering MN
Biotechnology BT Metallurgical Engineering MT
Civil Engineering CE Petroleum Engineering PE
Chemical Engineering CH Physics PH
Computer Science & Information Technology CS Production & Industrial Engineering PI
Chemistry CY Statistics ST
Electronics & Communication Engineering EC Textile Engineering & Fibre Science TF
Electrical Engineering EE Engineering Sciences XE
Ecology and Evolution EY
Geology & Geophysics GG Life Sciences XL

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GATE Answer Keys FAQs

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To download GATE Answer Key 2025 PDF, read the above article for respective subjects.

Yes, candidates can raise objections to GATE Answer Key 2025 when the Objection window is opened.

Candidates can download last 5 years GATE Answer keys including GATE Answer key 2025 PDf here in this article.

Last 5 years GATE Answer key will help in understanding trends, difficulty level, and provides valuable insights for future preparation.

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