3 min readNew DelhiFeb 10, 2026 01:48 PM IST
IISER IAT 2026 Admission Schedule: The Indian Institutes of Science Education and Research (IISERs) have announced the schedule for the online application process for undergraduate admissions for the academic year 2026 through the IISER Aptitude Test (IAT). As per the official schedule, IAT 2026 registrations will open on March 5, and eligible candidates can apply online at iiseradmission.in.
According to the notification released by IISERs, the last date to submit the IAT 2026 application form is April 13. The entrance examination is scheduled to be held on June 7, 2026, in computer-based mode across multiple centres in India.
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Admission to IISERs is conducted only through the IISER Aptitude Test, which serves as the common entrance exam for various BS, BS-MS dual degree, and BTech programmes offered across IISER campuses.
IISER IAT 2026: Important dates
The detailed schedule for IISER admissions 2026 is provided below:
| Event | Date |
| Application portal opens | March 5, 2026 |
| Last date for online registration | April 13, 2026 |
| Application correction window | April 13 to April 15, 2026 |
| Admit card release | May 24, 2026 |
| IISER Aptitude Test (IAT) 2026 | June 7, 2026 (9 am to 12 noon) |
Programmes offered through IAT 2026
The IISER Aptitude Test is conducted for admission to the following programmes:
| Course | IISER Campus |
| Five-year BS-MS dual degree programme | All IISER campuses |
| Five-year BS-MS in Computational and Data Sciences | IISER Kolkata |
| Five-year BS-MS in Geology (new) | IISER Mohali |
| Five-year BS-MS in Environmental Sciences (new) | IISER Mohali |
| Four-year BS in Economic Sciences | IISER Bhopal |
| Four-year BS in Economic and Statistical Sciences | IISER Tirupati |
| Four-year BTech in Engineering Sciences | IISER Bhopal |
| Four-year BTech in Data Science and Engineering | IISER Bhopal |
IAT 2026 eligibility criteria
–Candidates must have passed Class XII or an equivalent examination in 2024 or 2025, or be appearing in 2026, from a board recognised by the Council of Boards of School Education (COBSE) in India. Applicants should have studied at least three subjects among Biology, Chemistry, Mathematics and Physics at the Class XII level.
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–For certain programmes — including BS-MS in Computational and Data Sciences (IISER Kolkata), BTech programmes at IISER Bhopal, and economics-related BS courses at IISER Bhopal and Tirupati — Mathematics is mandatory at the Class XII level.
–Foreign national candidates are required to upload an equivalence certificate issued by the Association of Indian Universities (AIU), unless they meet the specified Indian board criteria.
Note that candidates whose Class 12 results are yet to be declared as of the application date, are also eligible to apply. However, admission will be subject to meeting the minimum eligibility requirements at the time of verification.
According to the IAT 2026 website, the undergraduate programmes at IISERs will combine classroom learning with early exposure to research. The institutes offer fully residential campuses, access to advanced research facilities, interdisciplinary learning opportunities, and year-long research projects leading to an MS thesis for dual degree students.
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