🏛 Exam Introduction
- Exam: IISER Aptitude Test (IAT)
- For: Admission to BS-MS (Dual Degree) and select BS programmes at the Indian Institutes of Science Education & Research (IISERs) — Bhopal, Kolkata, Mohali, Pune, Thiruvananthapuram, Tirupati, Berhampur. The official IAT channel has been the only UG admission route since recent cycles. IISER Admission
- Mode: Computer-Based Test (CBT) across India. IISER Admission
- Official portal: iiseradmission.in IISER Admission
📅 Important Dates (Tentative – 2026)
- Information Bulletin & Registration: March–April 2026 (expected, per 2025 schedule). IISER Admission
- Exam Date: Late May 2026 (2025 exam was held on May 25, 2025). The Times of India
- Provisional Answer Key & Objections: within a few days of exam. The Times of India
- Result/Rank: ~June 2026 (2025 results were released in late June). The Economic Times
- Counselling/Seat Allotment Rounds: June–July 2026 on the IAT portal. IISER Admission
🎓 Eligibility
- Who can apply: Indian nationals, OCI/PIO and Foreign Nationals. IISER Admission
- Qualifying exam: Class 12 (10+2) or equivalent in the science stream; candidates should have studied at least three among Physics, Chemistry, Mathematics, Biology in 10+2 (board recognised by COBSE or equivalent). (Follow the year’s bulletin for pass-year/percentile specifics.) IISER Admission+1
🧾 Exam Pattern & Marking
- Subjects: Biology, Chemistry, Mathematics, Physics — all four appear on the paper.
- Total Questions: 60 MCQs (15 per subject).
- Duration: 180 minutes (3 hours).
- Marking: +4 correct, –1 incorrect, 0 unattempted; maximum 240 marks. IISER Admission+1
📘 Syllabus
- Basis: The IAT follows the rationalized NCERT syllabus (2024–25) for Classes 11 & 12 across Physics, Chemistry, Mathematics, Biology. The detailed, topic-wise syllabus is linked on the official site each year. IISER Admission
🧑🎓 Programmes & IISERs
- Flagship: 5-year BS-MS (Dual Degree) at all IISERs.
- Select 4-year BS programmes are offered at some IISERs (e.g., IISER Bhopal) — check institute-specific prospectus for options like Engineering Sciences/Economic Sciences. Wikipedia
🎫 Admit Card & Exam Cities
- Admit card download opens after successful registration; exam cities/centres are allotted via the portal. IISER Admission
🗝️ Result, Rank, Counselling & Seats
- Scorecards/Rank are published on the IAT portal. Counselling is centralised online (choice filling, allotment, acceptance, upgrades). IISER Admission
- Seat matrix: As a reference, 2025 listed ~2363 seats across IISERs (2026 matrix will be notified separately). IISER Admission
- Note: Not every test-taker gets a rank; rank cut-offs are announced, and a rank does not guarantee an offer. IISER Admission
📋 Exam-Day Guidelines
- Carry Admit Card + valid Photo ID; report early.
- Follow CBT instructions; rough sheets provided at the centre.
- Only permitted items as per the year’s bulletin/admit-card advisory. IISER Admission
❓ FAQs
Is IAT the only way to IISER UG now?
Yes—recent cycles specify IAT as the only channel for UG admissions to IISERs. IISER Admission
How many questions and marks?
60 MCQs, 240 marks, +4/–1 marking, 3 hours. IISER Admission
Which syllabus should I follow?
NCERT-aligned (Classes 11–12) as per the rationalized 2024–25 curriculum; see the official syllabus page. IISER Admission
How many seats are there?
Varies yearly; ~2363 in 2025 as a ballpark reference. Check the current year’s seat matrix. IISER Admission
🔗 Quick Official Links
- IAT Home/Admissions: iiseradmission.in IISER Admission
- Information Bulletin (2025 reference): English-IB-2025 (for structure/policies; use 2026 when released). IISER Admission
- Syllabus (official page): IAT Syllabus (NCERT-aligned) IISER Admission
- Seat Matrix (2025 ref): IAT Seat Matrix page IISER Admission