The IISER Admissions Joint Admission Committee (JAC) 2026 led by IISER Berhampur released the provisional answer key for the IISER Aptitude Test (IAT) 2026 on June 7, 2026, just hours after the examination concluded at 12:00 Noon. The answer key PDF is available at @iiseradmission.in for all candidates who appeared in the exam today from 9:00 AM to 12:00 Noon in CBT mode. The objection window opens on June 9 and response sheets will also be released on the same date.
This is an unusually fast answer key release — within the same day as the examination — and gives candidates immediate access to cross-check their responses and estimate their probable scores before the official result on June 24, 2026.
IISER IAT 2026 Post-Exam Schedule
| Event | Date |
|---|---|
| Exam Conducted | June 7, 2026 (9:00 AM to 12:00 Noon) |
| Provisional Answer Key Released | June 7, 2026 |
| Response Sheet Release | June 9, 2026 |
| Objection Window Opens | June 9, 2026 |
| Objection Window Closes | June 13, 2026 |
| Final Answer Key | After review of all objections |
| IAT 2026 Result | June 24, 2026 |
| Official Portal | iiseradmission.in |
How to Download the IISER IAT 2026 Provisional Answer Key
- Visit @iiseradmission.in
- Click on the IAT 2026 Provisional Answer Key link on the homepage
- Log in with your Application Number and Password
- The answer key PDF will open with correct answer options for all 60 questions
- Download and save the PDF for reference and score calculation
How to Calculate Your Probable Score
| Action | Marks |
|---|---|
| Correct Answer | Plus 4 marks |
| Incorrect Answer | Minus 1 mark |
| Unattempted Question | 0 marks |
| Maximum Marks | 240 (60 questions x 4) |
How to Raise Objections from June 9
- Log into @iiseradmission.in from June 9
- Click the Objection Submission link
- Select the question you wish to challenge
- Provide supporting evidence from standard NCERT or reference text
- Submit within the window (June 9 to June 13)
IAT 2026 covers 11 participating institutions this year including IISERs Pune, Kolkata, Mohali, Bhopal, Thiruvananthapuram, Tirupati, and Berhampur, plus IIT Madras, IACS Kolkata, IIT Guwahati, and IIEST Shibpur.
