IISER IAT 2026 registration: The Indian Institutes of Science Education and Research will close the registration process for the IISER Aptitude Test (IAT) 2026 today, April 13, 2026. Candidates who have not yet applied can complete the registration through the official website at IISER Admissions Portal iiseradmission.in before the deadline.The IISER IAT 2026 exam is scheduled to be held on June 7, 2026. The test will be conducted in a single shift from 9 am to 12 noon across multiple centres in India.
IISER IAT 2026 exam details
The IISER Aptitude Test (IAT) 2026 will be conducted as a computer-based test. The exam will include a total of 60 questions, with 15 questions each from Biology, Chemistry, Mathematics, and Physics.Candidates will get 180 minutes to complete the exam. All questions will be multiple-choice type with only one correct answer. The total marks will be calculated out of 240, and these marks will be used to prepare the IAT 2026 rank list.Officials have also clarified that not every candidate who appears for the exam will receive a rank. The rank cut-off will be announced later. In addition, getting a rank does not guarantee admission to IISER.
Important dates
Keep note of the key dates given below:
- Registration closes: April 13, 2026
- Application correction window: April 16 to April 18, 2026
- Hall ticket release: May 24, 2026
- IISER IAT 2026 exam date: June 7, 2026
IISER IAT 2026: How to apply
Candidates can follow the steps below to apply:
- Visit the official website at iiseradmission.in
- Click on the IISER IAT 2026 registration link on the homepage
- Register by entering the required details
- Fill out the application form
- Pay the application fee
- Submit the form and download the confirmation page
- Keep a printout for future reference
Direct link is here.
Application fee
For General, Economically Weaker Section (EWS), Other Backward Classes (OBC), and OBC Non-Creamy Layer (OBC-NCL) candidates, the fee is ₹2000. For Scheduled Caste (SC), Scheduled Tribe (ST), Persons with Disabilities (PwD), Kashmiri Migrants (KM), Kashmiri Pandit/Kashmiri Hindu Families (Non-Migrants) living in Kashmir Valley it is ₹1000. And for Foreign Nationals it is ₹12000.Candidates are advised to complete their application before the deadline to avoid last-minute issues. For more details, applicants can visit the official IISER website.