Important Dates for IISER 2026
| Event | Expected Timeline |
|---|---|
| Application Portal Opens | Thursday, March 5, 2026 |
| Application Portal Closes | Monday, April 13, 2026, 11:55 PM IST |
| Corrections in Application Forms | Thursday, April 16, 2026, 11:00 AM IST – Saturday, April 18, 2026, 11:55 PM IST |
| Release of Hall Tickets | Sunday, May 24, 2026 |
| IISER Aptitude Test (IAT) 2026 | Sunday, June 7 2026 (9:00 AM to 12:00 Noon IST) |
| Answer Key Display | June 7, 2026 |
| Candidate Response form upload & Portal opens for filing Objections | June 9, 2026 |
| Portal closes for filing Objections | June 13, 2026 |
| Windows for Selective Information/Document Upload in Application Form | June 13, 2026 – June 21, 2026 |
| Last date for Selective Information / Document upload in Application Form | June 21, 2026 |
| Release of Final Answer Key | June 29, 2026 |
| Declaration of IAT 2026 Result | June 29, 2026 |
| Registration for Counselling Process (filling up of IISER Academic Programme Preference Form) | July 2, 2026, 5:00 PM IST – July 9, 2026, 5:00 PM IST |
NOTE: Verify on iiseradmission.in; dates subject to official notification.
Important Notices
- Registration Opens for Counselling Process (filling up of IISER Academic Programme Preference Form)
July 2, 2026
Click here to access the registration form for the counselling process. - Announcement of First Round of Counselling/Admission Offer
July 24, 2026
The first round of Counselling/Admission Offer duration: July 24, 2026, 5:00 PM IST – July 28, 2026, 5:00 PM. Candidates are recommended to complete the process well before the closing time.
Click here to see the Admission Offers in Round 01. - Announcement of Second Round of Counselling/Admission Offer
August 1, 2026
The second round of Counselling/Admission Offer duration: August 1, 2026, 5:00 PM IST – August 5, 2026, 5:00 PM. Candidates are recommended to complete the process well before the closing time.
Click here to see the Admission Offers in Round 02. - Announcement of Third Round of Counselling/Admission Offer
August 10, 2026
The third round of Counselling/Admission Offer duration: August 10, 2026, 5:00 PM IST – August 13, 2026, 5:00 PM. Candidates are recommended to complete the process well before the closing time.
Click here to see the Admission Offers in Round 03. - Announcement of Fourth Round of Counselling/Admission Offer
August 18, 2026
The fourth round of Counselling/Admission Offer duration: August 18, 2026, 12:00 PM IST – August 20, 2026, 5:00 PM. Candidates are recommended to complete the process well before the closing time.
Click here to see the Admission Offers in Round 04. - Announcement of Fifth Round of Counselling/Admission Offer
August 24, 2026
The fifth round of Counselling/Admission Offer duration: August 24, 2026, 12:00 PM IST – August 26, 2026, 5:00 PM. Candidates are recommended to complete the process well before the closing time.
Click here to see the Admission Offers in Round 05. - Announcement of Sixth Round of Counselling/Admission Offer
August 28, 2026
The sixth round of Counselling/Admission Offer duration: August 28, 2026, 12:00 PM IST – August 30, 2026, 5:00 PM. Candidates are recommended to complete the process well before the closing time.
Click here to see the Admission Offers in Round 06.
Date of IISER Aptitude Test (2026): Sunday, June 7, 2026 (9:00 AM to 12:00 Noon IST)