The Indian Institutes of Science Education and Research (IISERs) have released the admission schedule for their undergraduate programmes for the 2026 academic session. Registration for the IISER Aptitude Test (IAT) 2026 will begin on March 5. Candidates can apply online through the official portal at iiseradmission.in.
As per the official notification, the last date to submit the IAT 2026 application form is April 13. The entrance exam will be held on June 7, 2026, in computer-based mode at multiple test centres across India.
IISER admissions happen only through the IAT. It's the common entrance exam for BS, BS-MS dual degree, and BTech programmes offered at different IISER campuses across the country.
IISER IAT 2026: Important Dates
Here's the complete schedule candidates should note:
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
Candidates can apply for the following courses through IAT 2026:
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)
Two new programmes have been added this year — BS-MS in Geology and BS-MS in Environmental Sciences — both offered at IISER Mohali.
IISER IAT 2026: Application Fee
Candidates need to pay the application fee while submitting their form. The portal will open on March 5, 2026. The fee is non-refundable.
Category Application Fee
General / EWS / OBC / OBC-NCL ₹2,000
SC / ST / PwD / Kashmiri Migrants / Kashmiri Pandits / Kashmiri Hindu Families (Non-Migrant) ₹1,000
Foreign National ₹12,000
IAT 2026: Eligibility Criteria
Before applying, candidates should make sure they meet the following eligibility conditions:
Basic Qualification: Candidates must have passed Class 12 or an equivalent exam in 2024 or 2025, or should be appearing in 2026. The board must be recognised by the Council of Boards of School Education (COBSE) in India. Applicants should have studied at least three subjects from Biology, Chemistry, Mathematics, and Physics at the Class 12 level.
Mathematics Mandatory for Select Courses: For certain programmes, Mathematics is compulsory at the Class 12 level. These include BS-MS in Computational and Data Sciences (IISER Kolkata), BTech programmes at IISER Bhopal, and economics-related BS courses at IISER Bhopal and IISER Tirupati.
Foreign National Candidates: They need to upload an equivalence certificate issued by the Association of Indian Universities (AIU), unless they already meet the Indian board criteria.
Candidates whose Class 12 results haven't been declared yet can still apply. However, their admission will be confirmed only after they meet the minimum eligibility requirements during verification.
What Makes IISER Programmes Unique?
According to the IAT 2026 website, undergraduate programmes at IISERs are designed to blend classroom teaching with hands-on research experience from the early years. Students get to study on fully residential campuses with access to advanced research facilities. The curriculum encourages interdisciplinary learning, and dual degree students complete a year-long research project that leads to an MS thesis.
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