The Indian Institutes of Science education and Research (IISER) has officially opened the online registration for the IISER Aptitude Test (IAT) 2026, the national entrance exam for undergraduate science and engineering programmes like BS‑MS, BS, and BTech across IISER campuses.
🗓 Important Dates for IISER IAT 2026
Here’s the key schedule you must know:
Event
Date
Registration starts
March 5, 2026
Last date to apply
April 13, 2026
Application correction window
April 16–18, 2026
Admit card release
May 24, 2026
IISER IAT Exam Date
June 7, 2026 (9:00 AM–12:00 Noon)
✔️ Candidates must complete the form and submit it before april 13, 2026 — late applications are not accepted.
📍 Eligibility Criteria
To apply for IISER IAT 2026, you must fulfil the following eligibility requirements:
✅ Education
- You should have passed Class XII (or equivalent) examination in 2024, 2025, or appearing in 2026 from a recognised board.
📌 Subject Requirements
- For most programmes (like BS‑MS and BS), you must have studied at least three of the following four subjects:
- Biology
- Chemistry
- Mathematics
- Physics
- For specific courses (e.g., BTech or computational programmes), Mathematics may be mandatory.
🌍 Foreign Nationals
- Candidates from abroad must upload an equivalence certificate from the Association of indian Universities (AIU) unless they already meet the board criteria.
📌 IISER IAT 2026 Exam Date & Format
- The IISER Aptitude Test (IAT) will be held on June 7, 2026, from 9 AM to 12 Noon.
- It’s a computer‑based test (CBT) with multiple‑choice questions covering Biology, Chemistry, Mathematics and Physics.
The exam tests your conceptual understanding and problem‑solving skills in science subjects.
💻 How to Apply Online
Follow these steps to complete your IISER IAT 2026 Registration:
Visit the official portal: Go to iiseradmission.in.
Create an account: Register using your email and mobile number.
Fill the application form: Enter personal and academic details correctly.
Upload documents: Required documents usually include:
Class XII marksheet or provisional certificate
Scanned passport‑size photograph and signature
Photo ID (e.g., passport, school ID)
Category certificate (if applicable)
Pay the application fee: (varies by category) — pay online during submission.
Submit and print: Review, submit and save the confirmation page for future reference.
💡 Pro tip: Apply well before April 13 to avoid website slowdowns or last‑minute issues.
📊 Selection and Admission Process
- IAT score is used to prepare a rank list. Admission to IISER campuses for BS, BS‑MS and BTech programmes is based on this rank and subsequent counselling.
- Performing well in IAT increases your chances of securing a seat, but higher rank does not guarantee admission — admission depends on available seats, category and counselling outcomes.
🎓 Why IISER IAT Matters
The IISER Aptitude Test is the sole entrance channel for many science programmes in IISERs and also opens opportunities at institutions like IISc Bangalore and IIT Madras (for some programmes).
IISERs are prestigious research‑oriented institutes offering a strong foundation in pure and interdisciplinary sciences, making IAT one of the valuable exams for science‑focused students.
📌 Summary
- Registration open: march 5, 2026
- Last date to apply: April 13, 2026
- IAT Exam Date: June 7, 2026
- Eligibility: Passed or appearing Class XII with required subjects
- Apply at: iiseradmission.in
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