The Government of India has established the IISERs at Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati to integrate and promote interdisciplinary science education and research.
IISER Aptitude Test (IAT)
IAT 2025 will be held on Sunday, May 25, 2025 at 9:00 AM.
IAT 2025 will be conducted as a computer-based test in various centres across India.
IAT will consist of 60 questions, 15 questions each from Biology, Chemistry, Mathematics, and Physics.
Total duration of the test will be 180 minutes. Questions will be of multiple choice type. Each question will have only one correct answer.
- Each correct answer will be awarded 4 marks.
- Each incorrect answer will lead to the deduction of 1 mark.
- Unanswered questions will be awarded 0 mark.
- Therefore, maximum marks in IAT will be 240.
The total marks obtained by a candidate out of 240 will be considered for preparing the Rank List.
Eligibility criteria
Applicants must be Indian nationals, OCI/PIO/Foreign Nationals to apply for IAT 2025.
Candidates must have passed the Class XII (or equivalent) examination in 2023 or 2024 or 2025 with science stream from any board recognized by the Council of Boards of School Education (COBSE) in India. Foreign Nationals need to upload an equivalence certificate issued by the Association of Indian Universities unless they have passed the Class XII or equivalent level examination in 2023 or 2024 or 2025 with science stream from any board recognized by the Council of Boards of School Education (COBSE) in India. The equivalence certificate must be uploaded while submitting the IAT 2025 Application Form under "Please upload copy of document supporting your claim of Foreign National (You'll need to produce original when necessary)".
Candidates must have taken at least three subjects among Biology, Chemistry, Mathematics and Physics during their Class XII (or equivalent) examination.
For admissions to the following programs, candidates must have Mathematics during their Class XII (or equivalent): 5-year BS-MS in Computational and Data Sciences program at IISER Kolkata, 4-year B. Tech. program at IISER Bhopal, 4-year BS in Economic Sciences program at IISER Bhopal and 4-year BS in Economic and Statistical Sciences program at IISER Tirupati.
Candidates belonging to SC/ST/PwD are required to score a minimum of 55% marks in aggregate or equivalent grade in their Class XII (or equivalent) examination. Candidates belonging to other categories are required to score a minimum of 60% marks in aggregate or equivalent grade in their Class XII (or equivalent) examination. Note that, the percentage needs to be calculated using aggregate marks, that is, considering ALL the subjects taken in class XII (or equivalent) level.
Application Portal Opens | March 10, 2025 |
Application Portal Closes | April 15, 2025 |
Corrections in Application Forms | April 21 - 22, 2025 |
Release of Hall Tickets | May 15, 2025 |
IISER Aptitude Test (IAT) 2025 | May 25, 2025 |