The IAT 2026 Registration process has begun today, March 5, 2026. The Indian Institutes of Science Education and Research (IISERs) have released the official notification for the IISER Aptitude Test (IAT) 2026, inviting applications for admission to their 5-Year BS-MS (Dual Degree), 4-Year BS, and B.Tech programs. Eligible candidates can apply online at the official website, iiseradmission.in.

The Indian Institutes of Science Education and Research (IISERs) at Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati have released the information brochure for the IISER Aptitude Test (IAT) 2026. The computer-based test will be conducted on June 7, 2026, for admission to over 2,300 seats in various science and engineering programs. Interested candidates who have passed or are appearing for their Class XII examination in 2024, 2025, or 2026 can now submit their applications online from 5th March 2026 at the official website www.iiseradmission.in.
IISER IAT 2026 Notification Out
The official IAT 2026 Information Brochure has been released by the Joint Admissions Committee (JAC) 2026, with IISER Berhampur acting as the organizing institute this year. The notification outlines the complete eligibility criteria, important dates, exam pattern, syllabus, and the step-by-step admission process. Before applying online for the IAT 2026, candidates must go through the brochure to check the details.
IISER Aptitude Test 2026 – Summary
The selection for admission to IISERs will be based entirely on the candidate’s performance in the IAT 2026. Candidates can check the overview for the IAT 2026 from below.
| Particular | Details |
|---|---|
| Exam Name | IISER Aptitude Test (IAT) 2026 |
| Conducting Body | Joint Admissions Committee (JAC) 2026, IISER Berhampur |
| Programs Offered | 5-Year BS-MS, 4-Year BS, 4-Year B.Tech |
| Mode of Application | Online |
| Registration Dates | 5th March to 13th April 2026 |
| Exam Date | 7th June 2026 (9:00 AM IST) |
| Exam Mode | Computer-Based Test (CBT) |
| Purpose | Admission to 7 IISERs and other premier institutes (IISc, IIT Madras, etc.) |
| Official Website | www.iiseradmission.in |
IISER IAT 2026 Important Dates
The IAT 2026 notification has been released along with the complete schedule. The online application process has started from 5th March 2026, and the last date to apply is 13th April 2026.
| Events | Dates |
|---|---|
| Online Application Starts | 5th March 2026 (Thursday) |
| Online Application Closes | 13th April 2026 (Monday) |
| Correction Window | 16th – 18th April 2026 |
| Hall Ticket Release | 24th May 2026 |
| IAT 2026 Exam Date | 7th June 2026 (Sunday) – 9:00 AM IST |
| Answer Key Display | 7th June 2026 |
| Last Date to Upload Documents | 21st June 2026 |
| Result Declaration | To be announced (TBA) |
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IISER IAT 2026 Eligibility Criteria
Candidates applying for IAT 2026 must ensure they meet the following eligibility criteria:
Qualifying Examination: Must have passed the Class XII (or equivalent) examination in 2024, 2025, or 2026, OR are appearing in 2026.
Subjects: Candidates for the general BS-MS program must have taken at least three subjects among Biology, Chemistry, Mathematics, and Physics.
Mathematics Requirement: Mathematics is compulsory for admission to:
- BS-MS in Computational and Data Sciences (IISER Kolkata)
- All B.Tech programs (IISER Bhopal)
- BS in Economic Sciences (IISER Bhopal)
- BS in Economic and Statistical Sciences (IISER Tirupati)
Minimum Marks: Candidates must score a minimum of 60% aggregate in their Qualifying Examination. For SC/ST/PwD candidates, the minimum is 55% aggregate.
IISER IAT 2026 Application Fee
The application fee is non-refundable and must be paid online during the application process.
| Category | Application Fee |
|---|---|
| General, EWS, OBC, OBC-NCL | Rs. 2,000/- |
| SC/ST/PwD/Kashmiri Migrant | Rs. 1,000/- |
| Foreign Nationals | Rs. 12,000/- |
IISER Aptitude Test 2026 Apply Online
The online application process for IAT 2026 has started from 5th March 2026. Candidates must apply online through the official IISER admission portal.
Steps to apply online for IAT 2026:
- Go to the official IISER admission website: www.iiseradmission.in.
- Click on the “Apply Online for IAT 2026” link.
- Register yourself by providing a valid Email ID and Mobile Number.
- Log in with the generated credentials and fill out the online application form with personal, academic, and communication details.
- Upload scanned copies of your recent passport-size photograph, signature, and other required documents (Class X marksheet, category certificate, etc.) as per the specified file size limits.
- Pay the application fee online through the provided gateway.
- Review all the details carefully before final submission.
- Submit the application form and take a printout of the completed application form for future reference.
IISER IAT 2026 Selection Process
The admission to IISERs for the academic year 2026-27 will be done solely through IAT 2026.
- Stage 1 – IAT 2026 Examination: Candidates must appear for the computer-based test on June 7, 2026.
- Stage 2 – Result & Rank List: A rank list will be prepared based on the marks obtained in IAT 2026.
- Stage 3 – Counselling & Preference Filling: After the results are declared, qualified candidates must log in to the portal to fill their order of preference for the 13 different academic programs offered across the 7 IISERs.
- Stage 4 – Seat Allocation: Seats will be allocated based on the candidate’s rank, preference list, category, and seat availability. Selected candidates must pay the Seat Acceptance Fee (SAF) online to confirm their seat.
- Stage 5 – Document Verification & Admission: Provisional admission offers will be confirmed after the candidate reports to the allotted IISER and presents all original documents for verification.
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Seat Acceptance Fee (SAF)
- GEN/EWS/OBC/OBC-NCL/PwD/KM: Rs. 35,000/- (includes Rs. 10,000/- non-refundable administrative fee)
- SC/ST: Rs. 17,500/- (includes Rs. 5,000/- non-refundable administrative fee)
Other Institutions Accepting IISER Aptitude Test 2026 Scores
The IAT 2026 score will also be used for admissions to programs at other premier institutes, including:
- IISc Bangalore (4-Year BS Research)
- IIT Madras (4-Year BS)
- IIT Guwahati (4-Year BS in Biomedical Science and Engineering)
- IACS Kolkata (Integrated BS-MS)
- IIEST Shibpur (5-Year BS-MS)
FAQs
Q1: What is the last date to apply for IAT 2026?
A: The last date to submit the online application for IAT 2026 is 13th April 2026.
Q2: I am appearing for my Class 12 exams in 2026. Can I apply?
A: Yes, candidates appearing for their Qualifying Examination in 2026 are eligible to apply.
Q3: Is Mathematics compulsory for all programs?
A: No, Mathematics is compulsory only for specific programs like B.Tech, BS Economics, and BS-MS in Computational and Data Sciences. For other BS-MS programs, you need any three subjects from Biology, Chemistry, Mathematics, and Physics.
Q4: What is the application fee for the OBC-NCL category?
A: The application fee for candidates applying under the OBC-NCL category is Rs. 2,000/-.