IISER opens the IAT 2025 answer key objection window. Candidates who had given the IISER 2025 exam on May 25, 2025, and are not satisfied with the IAT answer key 2025, can now raise objections against the IAT 2025 provisional answer key. The student response sheet has also been released. Read this Shiksha article to learn about how raise objections, last date and student response sheet details here.
IISER 2025 Answer Key Objection Window
The IISER 2025 Answer key objection window is made live on the official website for the candidates raising objections against the released IAT 2025 provisional answer key. Test takers can raise objections from May 29, 2025, from 5 pm onwards until June 01, 2025, till 5 pm. The exam officials have also read the IISER 2025 student response sheet on the official website for the test takers to download their responses made during the exam day.
No challenge will be entertained without receipt of the processing fee. The Challenges will not be accepted through any other medium. Challenges made by the candidates will be verified by a panel of subject experts. If the challenge of any candidate is found correct, the Answer Key will be revised and applied in the response of all the candidates accordingly. Based on the revised Final Answer Key, IISER 2025 result will be prepared and released in the second week of June 2025, tentatively.
IISER 2025 Answer Key Objection; Check Steps
Candidates wishing to raise objections against the IISER 2025 answer key must follow these steps:
- Candidate can login with the User ID and Password to access the Application Portal. The User ID (Registration/Application Number) and Password were sent to the registered email ID and phone number during the registration process.
- The Candidate Response and the Objection Portal can be found in the Application Portal.
- Choose the question ID as per the response form on your Application Portal.
- For document upload, the files can be in jpg/jpeg/png/pdf formats. Notably, the size of a file must be within 400KB.
- To submit an objection to any question, the candidate has to fill in the objection form and complete the payment of Rs 100/-. Only on successful payment, your objection will be registered.
- There is no upper limit on the number of objections that can be filed. Remember that for each objection, candidate has to make a separate application and pay an amount of Rs 100/-.
- The option of "Translation Error" is only applicable if you choose "Hindi" as the language for any particular question.
- For the nature of Objection, "Multiple Correct answers", please enter in Remarks the options which you think are correct. You can add a maximum of 4 options separated by comma, For e.g. a,b.
- Objection(s) sent by email will not be considered.
IISER Response Sheet Date 2025
Candidates can check the table below to know for IISER answer sheet 2025 date.
| Event Name |
Date |
|---|---|
| IISER Admit Card 2025 |
May 15, 2025 |
| (i) IISER Aptitude Test (ii) Answer Key display |
May 25, 2025 |
| (i) Upload of student's response form (ii) Portal opens for filing objections |
May 29, 2025 |
| Portal closes for filing objections |
June 01, 2025 till 5 pm |
| Display of final answer keys |
First week of June 2025 |
| IAT Results publication |
Second week of June 2025 |
Read More: IISER Result 2025 Expected Release Date; Know Upcoming Events & Expected Cut Off
Candidates will be able to download the final answer key of IISER 2025 pdf from the official website only in online mode. The authorities released the first provisional answer key of IISER pdf and candidates will be able to check their answers and calculate the probable scores secured in the IISER 2025 admission test. To download the IISER answer key 2025, candidates must follow the below steps:
Go to the IISER official website - https://iiseradmission.in/
Click on the ‘IISER answer key” link.
Enter application number (roll number) and password.
The answer key of IISER was displayed on the screen.
Take a print out of the answer key and save it for future reference
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IISER is expected to release the IAT 2024 Exam Answer Key at its official website on May 25, 2025. Candidates who have appeared in IISER Aptitude Test will be able to check their answers marked for the questions asked and can evaluate their final marks scored. Candidates must note that these are not the final answer key that the examination conducting body, IISER released. These are the provisional answer key. Applied candidates will get the opportunity to raise objections if they found any mistakes in the provided answer key.