IISER IAT answer key 2025 objection window opens at iiseradmission.in: Submit challenges online by this date

The Indian Institutes of Science Education and Research ( IISER ) have released the provisional answer key for the IISER Aptitude Test (IAT) 2025. Candidates who appeared for the examination on May 25, 2025, can now review the answer key on the official website: iiseradmission.in.

To ensure transparency and address any discrepancies, IISER has opened an objection window. Candidates can submit their challenges to the provisional answer key from 5:00 PM on May 29, 2025, until 5:00 PM on June 1, 2025.

IISER IAT objection submission processCandidates who identify discrepancies in the provisional answer key can raise objections online until 5:00 PM on June 1, 2025. To submit objections:

Log in to the IISER admission portal using your registration number or application number and password.

Access your response sheet and compare it with the provisional answer key.

Select the question(s) you wish to challenge and provide a detailed explanation along with supporting documents.

Upload supporting files in jpg, jpeg, png, or pdf format, ensuring each file is within the 400KB size limit.

Pay a non-refundable fee of Rs. 100 per question challenged.

IISER IAT 2025 Important DatesCandidates who appeared for the IISER IAT exam are advised to have a look at the following list of important dates for the 2025 session:

• IAT 2025 Examination Date: May 25, 2025
  
• Provisional Answer Key Release: May 25, 2025
  
• Objection Window: May 29, 2025 (5:00 PM) to June 1, 2025 (5:00 PM)
  
• Selective Document Upload Window: Opens on June 1 and closes at 5:00 PM on June 16, 2025. Candidates must upload all necessary documents within this period to be considered for admission under their respective categories.

Final Answer Key and ResultsAfter reviewing all submitted objections, IISER will release the final answer key. The results of IAT 2025 will be declared subsequently. The dates will be released shortly after the answer key objection process is concluded.

Candidates are advised to regularly check the official website for updates regarding the final answer key and subsequent admission procedures.