The Indian Institutes of Science Education and Research (IISERs) will administer the IISER Aptitude Test (IAT) 2026 on June 7 . This exam is for admission to Bachelor of Science (BS), BS-MS dual degree, and Bachelor of Technology (BTech) programs across all seven IISER campuses.
Online registration for IAT 2026 opens on March 5 . Prospective students can apply through the official IISER admissions website.
IAT 2026 Key Dates
The application period closes on April 13 . A correction window for applications will be open from April 13 to April 15. Admit cards will be released on May 24 .
| Event | Date |
|---|---|
| Registration Starts | March 5 |
| Last Date for Online Registration | April 13 |
| Application Correction Window | April 13 – April 15 |
| Admit Card Release | May 24 |
| IAT 2026 Exam Date | June 7 |
Program Offerings
IISERs, established by the government to promote science education and research, are located in Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati.
Available undergraduate programs include:
- 4-year BS in Economics Sciences (IISER Bhopal)
- 4-year BS in Economic and Statistical Sciences (IISER Tirupati)
- 4-year BTech in Engineering Science (IISER Bhopal)
- 4-year BTech in Data Science & Engineering (IISER Bhopal)
- 5-year BS-MS in all IISERs
- 5-year BS-MS in Computational and Data Sciences (IISER Kolkata)
- 5-year BS-MS in Geology (IISER Mohali)
- 5-year BS-MS in Environmental Sciences (IISER Mohali)
Exam Structure
IAT 2026 is a computer-based test (CBT) lasting 180 minutes. It comprises 60 multiple-choice questions (MCQs), with 15 questions each from Biology, Chemistry, Mathematics, and Physics.
The total marks for the exam are 240. The scoring system is as follows:
- Correct answer: +4 marks
- Incorrect answer: -1 mark
- Unanswered question: 0 marks
Candidates’ total scores out of 240 will determine their rank on the IISER IAT list. Securing a rank does not guarantee admission to an IISER.