Everything happening with IAT IISER — official updates and the latest news.
Registration for the IISER counselling process (Academic Programme Preference Form) ran from 2 July 2026, 5:00 PM IST to 9 July 2026, 5:00 PM IST; Round 1 offers followed on 24 July 2026.
IAT 2026 results were declared on 29 June 2026, together with the final answer key.
IAT 2026 provisional answer key was displayed on 7 June 2026; objections were accepted 9-13 June 2026 and the final key was released on 29 June 2026.
IISER Aptitude Test 2026 was held on Sunday, 7 June 2026, 9:00 AM to 12:00 noon IST, as a computer-based test.
The IISER Aptitude Test (IAT) 2026 is conducted on June 07, 2026.
IAT 2026 hall tickets were released on 24 May 2026.
Corrections in IAT 2026 application forms were allowed from 16 April 2026 (11:00 AM IST) to 18 April 2026 (11:55 PM IST).
Corrections in IAT 2026 application forms were allowed from 16 April 2026 (11:00 AM IST) to 18 April 2026 (11:55 PM IST).
IAT 2026 online application portal closed on 13 April 2026 (11:55 PM IST per the Important Dates page); no extension was announced.
IISER Aptitude Test (IAT) 2026 online application portal opened on 5 March 2026 (Information Brochure, Important Dates).