IISER IAT 2027 Notification Out: Exam Dates, Eligibility and How to Apply

The IISER IAT 2027 notification has been officially released, opening the admissions cycle for BS-MS dual degree programmes at all seven Indian Institutes of Science Education and Research.

IISER IAT (Aptitude Test) is a national-level entrance exam conducted jointly by the IISERs for admission to their five-year BS-MS dual degree programmes in sciences. With the notification now live, students aiming for seats at IISER Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, Berhampur, and Tirupati should verify eligibility, note the key dates, and start their application without delay.

• IISER IAT 2027 registration is expected to open in November 2026 and close in April 2027.
• The exam is scheduled for June 2027 in computer-based test (CBT) mode.
• Students must have cleared Class 12 with Physics, Chemistry, and Mathematics or Biology with at least 60% marks (55% for reserved categories).
• The test carries 180 total marks across four sections: Biology, Chemistry, Mathematics, and Physics.
• Admission is also offered through JEE Advanced scores as an alternative route alongside the IAT channel.

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IISER IAT 2027 Important Dates

The table below lists key events and expected dates for IISER IAT 2027 based on the official notification and previous year patterns. Specific dates will be updated here as the official schedule is confirmed on iiseradmission.in.

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IISER IAT 2027 Eligibility Criteria

Before you apply, confirm that you meet every eligibility condition stated in the official IISER IAT 2027 notification.

Academic Qualification

• You must have passed Class 12 (or equivalent) from a recognised board in 2026 or 2027.
• Students appearing in Class 12 board examinations in 2027 are also eligible to apply provisionally.
• Compulsory subjects: Physics and Chemistry. The third subject must be Mathematics or Biology (or both).

Minimum Marks Requirement

Age Limit: Based on previous year norms, you must have been born on or after October 1, 2002. The exact cut-off date for the 2027 cycle will be confirmed in the official notification at iiseradmission.in.

Nationality: Indian nationals and OCI/NRI students are eligible. Foreign nationals may apply under a separate quota as specified in the notification.

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How to Apply for IISER IAT 2027

The application process for IISER IAT 2027 is fully online. Follow these steps to complete your registration successfully:

1. Visit the official IISER admissions portal at iiseradmission.in.
2. Click Register / New User and create an account with your active email ID and mobile number.
3. Log in and fill in the application form — personal, academic, and contact details.
4. Upload scanned copies of your passport-size photograph, signature, and Class 10/12 mark sheets in the prescribed format and size.
5. Select your preferred IISER(s) and choose an exam city for the CBT.
6. Pay the application fee online via net banking, credit card, or debit card.
7. Review the completed form carefully, then click Submit.
8. Download and save the confirmation page along with your application number for future use.

Application Fee (based on 2026 cycle patterns — expected for 2027):

The application fee is non-refundable. Verify the exact fee from the official 2027 notification before making payment.

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IISER IAT 2027 Exam Pattern

IISER IAT 2027 is a computer-based test of 3 hours. The paper has four equal sections — Biology, Chemistry, Mathematics, and Physics — with 15 multiple-choice questions each.

• Negative marking: –1 mark for each wrong answer; no deduction for unattempted questions.
• Medium of examination: English only.
• Students with PCB (without Mathematics) may leave the Mathematics section unattempted.
• Questions are based on the Class 11 and Class 12 syllabus across all four subjects.

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IISER IAT 2027 Selection Process

Admission to IISER BS-MS programmes is offered through three channels. You need to qualify through at least one:

Students shortlisted through any channel must confirm Class 12 eligibility and participate in the centralised IISER seat allotment. Merit lists are prepared separately for each IISER and each programme — BS-MS in Biology, Chemistry, Mathematics, Physics, Earth and Climate Sciences, and more.