The IISER Aptitude Test (IAT) 2026 is the national entrance exam for admission to the Indian Institutes of Science Education and Research (IISERs) at iiseradmission.in. Notably, IAT 2026 is the single gateway to the 5-year BS-MS dual degree (and BS / BTech programmes at select IISERs) across the seven IISERs – Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati. The exam was held on 7 June 2026 in computer-based mode, so attention now shifts to the answer key and result. This page covers IAT 2026 dates, exam pattern, syllabus, admit card, answer key, result, and cutoff.
Latest: IISER IAT 2026 exam was held on 7 June 2026. The provisional answer key is out at iiseradmission.in with the objection window open 7-13 June 2026, and the result is expected by the fourth week of June 2026.
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IISER Aptitude Test (IAT) 2026
IAT (IISER Aptitude Test) is conducted jointly by the seven IISERs for admission to research-oriented science programmes. Notably, the IISERs are premier institutes of national importance for science education and research. Therefore, candidates who clear IAT are offered admission to the 5-year Integrated BS-MS (and BS / BTech where offered) based on merit and counselling.
IISER IAT 2026 Important Dates
| Event | Date |
|---|---|
| Application window | Closed (May 2026) |
| Admit card / hall ticket | Released (around 24 April 2026 onward) |
| IAT 2026 exam date | 7 June 2026 (conducted) |
| Provisional answer key | 7 June 2026 (released) |
| Objection window | 7 – 13 June 2026 |
| IAT 2026 result | 4th week of June 2026 (expected) |
| Counselling / admission | June – July 2026 |
Official Portal: IISER IAT 2026 answer key, result, and admission updates are at iiseradmission.in.
IISER IAT 2026 Eligibility
- Class 12 (10+2) in 2025 or 2026 with Science stream (Biology, Chemistry, Mathematics, Physics).
- Minimum marks / cutoff as specified by IISERs for each board and category.
- Indian nationals; reserved-category relaxations apply as per norms.
IISER IAT 2026 Exam Pattern
| Feature | Details |
|---|---|
| Mode | Computer-Based Test (CBT) |
| Duration | 3 hours |
| Sections | 4 (Biology, Chemistry, Mathematics, Physics) |
| Questions per Section | 15 MCQs |
| Total Questions | 60 MCQs |
| Total Marks | 240 |
| Marking Scheme | +4 correct; -1 incorrect |
IISER IAT 2026 Syllabus
The IAT syllabus is based on the NCERT Class 11 and 12 curriculum in Biology, Chemistry, Mathematics, and Physics. For the section-wise topic list, see the IISER IAT syllabus page.
IISER IAT 2026 Answer Key, Result & Cutoff
IISER releases the provisional answer key at iiseradmission.in (objections 7-13 June 2026), followed by the final answer key. The result / scorecard is expected by the fourth week of June 2026, after which IISERs publish category-wise cutoffs and conduct counselling. See the answer key and result pages for details.
Recommended Books for IISER IAT 2026
Along with NCERT, these IAT-specific books help with practice. (These are affiliate links.)
- IISER IAT Aptitude Test 2026-27 (Set of 5 Books)
- SciAstra IISER (IAT) PYQs 2017-2025 – Fully Solved
- SciAstra IAT Mock Test Series 2026 (20+ Tests)
- PREP4IISER IAT Chapterwise PYQ, Mock Test & Question Bank
IISER IAT 2026 – An Overview
| Feature | Details |
|---|---|
| Exam Name | IISER Aptitude Test (IAT) 2026 |
| Conducting Body | IISERs (jointly) |
| Level | National (Undergraduate) |
| Exam Date | 7 June 2026 (conducted) |
| Result | 4th week June 2026 (expected) |
| Mode | Computer-Based Test (CBT) |
| Questions / Marks | 60 MCQs / 240 marks |
| Marking | +4 correct; -1 incorrect |
| Programmes | 5-year BS-MS, BS, BTech (at select IISERs) |
| Official Website | iiseradmission.in |
| Type of Exam | Science Entrance Exams |
IISER IAT 2026 FAQs
The IISER Aptitude Test (IAT) 2026 was held on 7 June 2026 in computer-based mode. The provisional answer key is out with the objection window 7-13 June 2026.
The IISER IAT 2026 result is expected by the fourth week of June 2026 at iiseradmission.in, after the final answer key.
IAT 2026 is a 3-hour CBT with 60 MCQs across four sections (Biology, Chemistry, Mathematics, Physics) of 15 questions each, for 240 marks; +4 for correct and -1 for incorrect.
The seven IISERs – Berhampur, Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, and Tirupati – admit students to BS-MS, BS, and BTech programmes through IAT.
IISER IAT 2026 is the gateway to research-driven science education at the IISERs. Track iiseradmission.in for the result, cutoff, and counselling updates.
