IISER IAT 2026 Registration Begins, Apply Online for Admission

The Indian Institutes of Science Education and Research (IISERs) have started the registration process for IAT 2026, the mandatory entrance exam for admission to undergraduate programs across all seven IISER campuses. Eligible candidates can now apply through the official portal iiseradmission.in starting 5 March 2026.

IISER IAT 2026: Important Dates and Application Window

The IISER Aptitude Test (IAT) 2026 will be conducted as a computer-based exam on 7 June 2026 from 9:00 AM to 12:00 PM. Students must complete the online application process between 5 March and 13 April 2026.

Key dates:

• Registration Start Date: 5 March 2026
• Last Date to Apply: 13 April 2026
• Application Correction Window: 16–18 April 2026
• Admit Card Release: 24 May 2026
• IAT Exam Date: 7 June 2026

Applicants seeking admission into BS‑MS, BS, and BTech programs must adhere to these deadlines to ensure their applications are accepted.

IISER IAT Eligibility Criteria and Selection

Candidates must have passed Class 12 or an equivalent exam with at least 60 per cent aggregate marks (55 per cent for SC/ST/PwD candidates) in science subjects including biology, chemistry, mathematics, and physics. The IAT is the primary pathway for admission, with alternative scores such as JEE marks not considered for most programs.

Steps to Apply for IAT 2026

1. Visit the official IISER admissions portal at iiseradmission.in.
2. Click on the “Apply for IAT‑2026” link.
3. Complete registration to generate a user ID and password.
4. Fill in personal and educational details, and upload required documents.
5. Pay the application fee according to your category.
6. Submit the form before 13 April 2026.

Applicants are advised to verify eligibility and keep all essential documents ready before starting the application.

What’s Ahead After Registration?

After the registration window closes, candidates should focus on preparing for the IAT 2026 based on the exam syllabus and pattern. Successful performance in the aptitude test enables admission into IISER’s research-oriented science programs. Students are encouraged to monitor the official portal for any updates regarding dates or procedures.