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The IISER 2026 application form was released on March 5, 2026, and will be available until April 13, 2026. The application form is available on the official website, iiseradmission. in. The application form correction window will be available from April 16 to 18, 2026. The IAT 2026 admit card will be released on May 24, 2026. The IISER Aptitude Test 2026 notification was released on February 7, 2026. The IISER Aptitude Test (IAT) will be conducted on June 7, 2026. The IAT 2026 answer key will be released on June 7, 2026, while the candidate response sheet and the portal for filling objections against the answer key will be opened on June 9, 2026. You will be able to file objections against the IISER Aptitude Test answer key till June 13, 2026.
Keep reading this page for the complete exam schedule of IISER Aptitude Test 2026!
The important dates for IISER Aptitude Test 2026 are as follows:
Event | Dates |
|---|---|
Opening of IISER 2026 Application Portal | March 5, 2026 |
Last date for IAT 2026 Registration | April 13, 2026 |
IISER 2026 Application Correction Starting Date | April 16, 2026 |
IISER 2026 Application correction last date | April 18, 2026 |
Availability of Admit Card for IISER Admission Test 2026 | May 24, 2026 |
IISER 2026 Aptitude Exam Date | June 7, 2026 |
Release of IISER 2026 Answer Key | Same day after the successful conduct of the examination |
Students Response Form/ Portal Open For Objections | May 2026 |
Portal Close For Final Objections | June 2026 |
| IAT 2026 Upload Selective Documents | June 2026 |
Release of Final IISER 2026 Answer Key | June 2026 |
| Declaration of IISER 2026 Result | June 2026 |
| Registration for the Counselling Process | June 2026 |
Want to know more about IISER Aptitude Test
Yes! IISER Aptitude Test 2026 will be held in May 2026, at 9:00 AM. Make sure you check your admit card for your exam center details and reach on time.
Yes, the registration for IISER 2026 will begin in March 2026. You won’t be able to apply after the deadline, so complete your registration early to avoid last-minute issues.
Yes! IISER allows you to make corrections in your application form. If you made any mistakes while filling out the form, you can fix them during the application form correction period.
The admit card for IAT 2026 will be released in May 2026. You need to log in to the official website to download it. Remember to carry a printed copy of your admit card on exam day, as you won’t be allowed to enter the exam center without it.
IISER 2026 answer key will be released on the same day as the exam after the test is over. This will help you estimate your score before the results are officially declared.
IISER 2026 results will be announced in June 2026. Students could check their results and download the scorecard by logging in to the official IISER admissions website using their credentials.
If you qualify, you will have to participate in IISER 2026 counselling process. You will need to upload your documents, express your interest in admission, and pay the required fees to secure your seat in one of the IISER institutes.
IISER Aptitude Test is conducted once a year. The exam is a three-hour-long computer-based test.
Typical response between 24-48 hours
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