The Indian Institutes of Science Education and Research (IISERs) have announced the official schedule for IISER Aptitude Test (IAT) 2026, the gateway for undergraduate admissions for the academic year 2026. The IAT 2026 registration process will begin on March 5, 2026, and eligible candidates can submit their online applications through the official portal iiseradmission.in. This national-level entrance exam is the only mode of admission to various BS, BS-MS dual degree, and BTech programmes offered across IISER campuses in India.
As per the official notification, the last date to apply is April 13, 2026, and the entrance examination will be conducted on June 7, 2026 (9 AM to 12 Noon) in computer-based mode across multiple exam centres nationwide.
IISER IAT 2026 Important Dates
| Event | Date |
| Application Portal Opens | March 5, 2026 |
| Last Date for Registration | April 13, 2026 |
| Application Correction Window | April 13–15, 2026 |
| Admit Card Release | May 24, 2026 |
| IAT 2026 Exam Date | June 7, 2026 (9 AM–12 Noon) |
Candidates are advised to complete their applications before the deadline and use the correction window (April 13–15) to rectify any errors.
Programmes Offered Through IAT 2026
The IISER Aptitude Test facilitates admission to the following programmes:
| Course | IISER Campus |
| Five-year BS-MS Dual Degree | All IISER campuses |
| BS-MS in Computational & Data Sciences | IISER Kolkata |
| BS-MS in Geology (New) | IISER Mohali |
| BS-MS in Environmental Sciences (New) | IISER Mohali |
| Four-year BS in Economic Sciences | IISER Bhopal |
| Four-year BS in Economic & Statistical Sciences | IISER Tirupati |
| Four-year BTech in Engineering Sciences | IISER Bhopal |
| Four-year BTech in Data Science & Engineering | IISER Bhopal |
These programmes combine rigorous classroom learning with early research exposure, offering fully residential campuses and interdisciplinary academic environments.
IAT 2026 Eligibility Criteria
Candidates must meet the following requirements:
- Must have passed Class XII (or equivalent) in 2024 or 2025, or be appearing in 2026, from a board recognised by the Council of Boards of School Education (COBSE).
- Must have studied at least three subjects among Biology, Chemistry, Mathematics, and Physics at the Class XII level.
- For certain programmes such as Computational & Data Sciences (IISER Kolkata), BTech courses (IISER Bhopal), and Economics-related BS courses, Mathematics is mandatory at the Class XII level.
- Foreign nationals must upload an equivalence certificate issued by the Association of Indian Universities (AIU), unless meeting Indian board criteria.
Candidates awaiting Class XII results are eligible to apply, but admission will be subject to meeting minimum eligibility requirements at the time of verification.
Why Choose IISER for UG Studies?
IISER undergraduate programmes are known for:
- Early integration of research and innovation
- Access to advanced research facilities
- Fully residential campuses
- Interdisciplinary academic structure
- Year-long research projects culminating in an MS thesis (for dual degree students)
IISERs consistently rank among India’s premier science institutions, ensuring high academic standards and global research opportunities.
Quick Reference Summary
| Detail | Information |
| Conducting Body | IISERs |
| Exam Name | IISER Aptitude Test (IAT) 2026 |
| Registration Start | March 5, 2026 |
| Last Date to Apply | April 13, 2026 |
| Exam Date | June 7, 2026 |
| Mode | Computer-Based Test |
| Official Website | iiseradmission.in |
Frequently Asked Questions (FAQs)
| When will IISER IAT 2026 registration begin? |
| Registration will open on March 5, 2026. |
| What is the last date to apply for IAT 2026? |
| The last date to submit the application is April 13, 2026. |
| When will the IAT 2026 exam be conducted? |
| The exam will be held on June 7, 2026, from 9 AM to 12 Noon. |
| What is the mode of IAT 2026? |
| The exam will be conducted in computer-based mode. |
| Is Mathematics compulsory for all programmes? |
| No, but it is mandatory for selected programmes such as BTech and economics-related courses. |
| Can students awaiting Class 12 results apply? |
| Yes, but admission is subject to fulfilling eligibility at verification. |
| Which website hosts the IAT 2026 application form? |
| Applications must be submitted at iiseradmission.in. |
| Is IAT the only mode of admission to IISERs? |
| Yes, admission to IISER UG programmes is conducted only through IAT. |
The release of the IISER IAT 2026 schedule marks the beginning of the admission cycle for prestigious science and interdisciplinary programmes across IISER campuses. Interested candidates should apply between March 5 and April 13, 2026, and prepare strategically for the June 7 entrance exam. For official updates and detailed notifications, visit iiseradmission.in and bookmark this page for future reference, for more details CLICK HERE
