IISER Aptitude Test (IAT) 2026: Registration, Important Dates, Accepting Courses
IISER Aptitude Test (IAT) 2026 will be held on June 7, 2026, from 9:00 AM to 12:00 PM IST for admission to BS-MS and BS programs. Applications open on March 5, 2026, and run through April 13, 2026. It is a 3-hour, computer-based exam covering Biology, Chemistry, Mathematics, and Physics, open to students who passed Class 12 in 2024–2026.
Key Details for IAT 2026:
Application Website: iiseradmission.in
https://cdn.digialm.com/EForms/configuredHtml/2245/98100/Index.html
Important Dates for IISER IAS 2026
- Application Deadline: April 13, 2026
- Correction Window: April 16–18, 2026
- Hall Ticket Release: May 24, 2026
- Exam Date: June 7, 2026
Eligibility: Minimum 60% (55% for SC/ST/PwD) in Class 12, with at least 3 subjects among Biology, Chemistry, Math, and Physics.
Exam Pattern: Multiple-choice questions (MCQs). Correct answers get 4 marks, -1 for incorrect answers.
Participating Institutions in IAT 2026:
- 5-year BS-MS programs at 7 IISERs (Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, Tirupati).
- 5-Year BS-MS in Computational and Data Sciences at IISER Kolkata
- 4-year BS in Economic Sciences at IISER Bhopal
- 4-Year BS in Economic and Statistical Sciences at IISER Tirupati
- 4-Year B.Tech. in Chemical Engineering at IISER Bhopal
- 4-Year B.Tech. in Electrical Engineering and Computer Science at IISER Bhopal
- 4-Year B.Tech. in Data Science & Engineering at IISER Bhopal
IAT 2026 Exam Score for Admission in other Institutes:
The following Institutions will use IAT 2026 for admitting students to their programs as specified below:
| # | Name of the Institution | Courses offered |
|---|---|---|
| 1 | IIT, Madras | 4-Year Bachelor of Science (BS) Program |
| 2 | IIT, Guwahati | 4-year BS program on Biomedical Science and Engineering |
| 3 | IISc., Bengaluru | 4-Year Bachelor of Science (BS) (Research) Program |
| 4 | IACS, Kolkata | Integrated Bachelor’s–Master’s in Science (BS-MS) Program |
| 5 | IIEST, Shibpur | 5-Year BS-MS in Chemistry, Physics and Applied Geology Program |
Students who wish to apply to any of the above programs MUST complete BOTH Step 1 and Step 2 as detailed below:
- Step 1: Apply to IAT 2026 on the IISER Admission Portal. (www.iiseradmission.in)
- Step 2: Follow the instructions as detailed on the specific program pages of the respective institute websites and accordingly apply for the program.
Hence, students wishing to apply for the programs listed above must apply to both IAT 2026 and the program through the websites of the respective Institutes.
About Indian Institutes of Science Education and Research (IISERs)
- The Indian Institutes of Science Education and Research (IISERs) are premier autonomous public research universities in India established by the Ministry of Education to promote high-quality science education and research.
- There are seven functional IISERs—Pune, Kolkata, Mohali, Bhopal, Thiruvananthapuram, Tirupati, and Berhampur—offering a 5-year BS-MS dual degree as their flagship program.
- An overarching goal of the IISERs is to enable students to shape the nation by inventing and implementing sustainable solutions for societal problems through research in science.