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IISER final answer key 2025 has been released on June 24, 2025 in Hindi and English. The answer key was issued on the official website. The exam provisional answer key 2025 was issued on the official website by the conducting authority on May 26, 2025. The answer key was made available for download at iiseradmission.in. The objection window link for the provisional answer key was activated on May 30, 2025. The last date to raise objection against the provisional answer key was Jun 1, 2025.
Candidates who appeared the IISER 2025 examination can see the correct answers provided by the exam officials. Candidates must be aware that the released IISER 2025 answer key is tentative and subject to objections. Furthermore, the IISER result 2025 was declared on Jun 24, 2025
The examination conducting authority uploaded the IISER final answer key after taking into consideration all the objections raised by the candidates. The correct answers to all questions on the IISER entrance exam are included in the answer keys.
IISER Answer Key PDF 2025
IISER answer key 2025 (provisional) was released on May 26, 2025. Following the successful completion of the IAT 2025 exam, the exam officially released the provisional IISER Answer Key 2025.
Candidates must check the direct link shared below.
| Particulars | Links |
| IISER IAT Answer Key 2025 (English) - Final | Direct Link |
| IISER IAT Answer Key 2025 (Hindi) - Final | Direct Link |
| IISER IAT Provisional Answer Key 2025 Direct Link To Download | Direct Link (Closed) |
| IISER Objection Window 2025 | Direct Link (Closed) |
Candidates can save the IISER answer key PDF for future reference. The IISER Aptitude Test answer keys will be available in PDF format and feature questions with answers or question number-wise answers. There will be different sets of question papers in the exam and the candidates can obtain IISER answer key PDFs for each set from the official website.
Also Read: IISER Cut Off 2025
IISER Answer Key Date 2025
All of the important dates for the IISER Answer Key 2025 are listed below:
| IISER Answer Key Events | Dates |
| Past Events | |
| IISER Aptitude Test Provisional Answer Keys | May 26, 2025 (Out) |
| IISER 2025 Answer Key Objections | May 30 - Jun 1, 2025 |
| IISER Aptitude Test 2025 Final Answer Keys | June 24, 2025 (Out) |
| IISER Aptitude Test 2025 Result | June 24, 2025 (Out) |
Steps to Download the IISER Answer Key 2025
The candidates can access the final answer key of IISER 2025 pdf from the official website. Initially, the tentative answer key for the IISER PDF was released, enabling candidates to review their answers and estimate their potential marks in the IISER 2025 entrance test. And the final answer key released on June 24, 2025.
Candidates must follow the steps following to download the IISER answer key 2025:
- Step 1: Navigate to the IISER official website 2025 and select the "IISER answer key 2025" link.
- Step 2: Enter the application number (roll number) as well as the password.
- Step 3: The IISER 2025 answer key will be presented on the screen.
- Step 4: Print off the IISER answer key 2025 and keep it for future reference.
Steps to Challenge IISER 2025 Answer Key
The online opportunity for making representations about questions/answers in IAT 2025 was activated on May 30, 2025. Candidates could review the provisional answer keys to acquire an estimate of their possible score in the IISER entrance exam 2025 till Jun 1, 2025.
To challenge the provisional answer key, follow the steps below:
- Step 1: Visit iiseradmission.in and select the ' IISER Answer Key Challenge' option.
- Step 2: Enter your User ID, Password, and CAPTCHA information.
- Step 3: Click the "Log in to your account and select the IAT Channel Tab. Candidates will notice two tabs: "IAT 2025 Objection" and "Candidate Response."
- Step 4: Candidates can download the IISER answer key from the "Candidate Response" tab.
- Step 5: Please select the "IAT 2025 Objection" tab to file a representation/objection. Then, to create a new objection, click the "Create" button. Follow the onscreen instructions.
- Step 6: Submit your feedback with a sufficient rationale to contest the answer before the deadline.
How to Calculate Score from IISER 2025 Official Key?
To understand the scoring criteria for the IISER Aptitude Test 2025, applicants can look at the table below:
| Particulars | Marks |
| Total Number of Questions | 60 |
| Marks Allotted for the correct answer | 3 Marks |
| Negative Marking | 1 Mark |
| Marking for unattempted question | 0 Mark |
IISER 2025 Official Answer Key
Students hunt for the official IISER answer key when the exam is over. The following are important points to remember.
- The IISER official answer key for the exam relates to the answers provided by IISER.
- Education specialists at the Indian Institute of Science Education and Research compile the official IISER Aptitude Test 2025 answer key.
- If the official authority distributes the IAT answer key, it is available on the official website iiseradmission.in.
- If the official answer key for the Aptitude Test becomes available at login, click on the IISER answer key download link and login.
- However, if the IISER exam answer keys are available in pdf format, candidates can download them directly.
IISER Answer Key 2025 – Set Wise (A, B, C, D)
The IISER Answer Key 2025 will be available in Sets (A, B, C, D). Participants can review their answers based on the Sets provided in the Entrance Exam. Participants can estimate their marks by consulting the IISER Answer Key 2025.
FAQs on IISER Exam Answer Key
Q: When will IISER answer key 2025 final release?
IISER 2025 final answer key release date was announced by the conducting authority. The final answer key was issued on Jun 24, 2025 along with the result. It was issued in both hindi and english language as PDF.
Q: How to download IISER exam answer key 2025?
Candidates can acquire the answer key for IAT from the IISER official website by following the steps outlined below: Step 1: Go to iiseradmission.in, the official website of IISER. Step 2: On the homepage, click on the IAT 2025 Provisional Answer Key link. Step 3: After completing the captcha, enter your application number and password and click submit. Step 4: Your screen will reveal the IAT 2025 preliminary answer key. Step 5: Download the answer key and cross-reference it with your response to determine your score.
Q: What are the IISER 2025 answer key objection dates?
The window against the objection of answer key was activated for the students from May 30 - Jun 1, 2025. Further, applicants had the provision to raise objection against the provisional answer key only.
Q: How to raise objections against the IISER Answer Key 2025?
Candidates may protest to the IAT 2025 preliminary answer key if they detect any inconsistency or believe any answer is incorrect. The objections must be filed between the given time frame provided by the authorities. The following are the processes to file an objection to the IAT 2025 preliminary answer key: Step 1: Go to iiseradmission.in, the official IISER website. Step 2: Select the 'Raise objections against the provisional answer key' option. Step 3: Enter your application number and password to log in. Step 4: The preliminary answer key for IAT 2025 will be displayed on your screen. Step 5: Choose the ID of the question you want to challenge. Step 6: Before submitting, upload supporting papers and pay the processing cost.
Q: When will IISER provisional answer key 2025 release?
IISER 2025 preliminary answer key was released on May 30, 2025. The provisional answer key was issued as PDF along with the objection window. Students had the provision to raise objection against the preliminary answer key.
