IISER IAT Answer Key 2025 (Released): Objection Portal Active, Submit Online Before June 1

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The Indian Institute of Science Education and Research (IISER) has activated the objection portal for IISER IAT 2025 answer key on May 29, 2025. Candidates can check the answer key by visiting the official website iiseradmission.in.

The last date to raise objections against the answer key is June 1, 2025. The direct link to raise objections against the IISER 2025 answer key is also available here.

👉 IISER 2025 Answer Key Objections Link

The IISER IAT 2025 answer key was released online on May 26. This PDF contains the correct answers to all the questions of IAT 2025. Candidates can use this provisional answer key along with the response sheet, OMR sheet, and question paper to check their answers and know the probable marks.

The IISER entrance exam was conducted on May 25, 2025.

Steps to download IISER answer key 2025

Candidates can download the IISER IAT 2025 answer key by following the simple steps given below:

Visit the official website of IISER 2025, iiseradmission.in
Click on the 'IISER Answer Key 2025' link.
Enter the application number (roll number) and password.
The IISER 2025 answer key will be displayed.
Download the answer key and verify the answers.

How to challenge the IISER 2025 answer key?

Candidates who find any error in the provisional answer key of IISER 2025 can challenge it. For this, they have to submit appropriate proof/documents. The process to challenge is given below:

Steps to challenge the provisional IISER answer key 2025
Visit the official website of IISER iiseradmission.in
Click on the “Raise objections” link.
Login using the application number and password.
The IISER answer key PDF will be displayed on the screen.
Select the question ID and upload the supporting documents.
Pay the processing fee and submit it.

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