Highlights
- Full name
- IISER Aptitude Test (BS-MS and BS programmes)
- Conducted by
- Indian Institutes of Science Education and Research
- Level
- Institute level: admissions to Indian Institutes of Science Education and Research only
- Leads to
- Science
- Counselling
- Not recorded
- Official site
- www.iiseradmission.in
Important dates
Every date we have recorded for IISER IAT has passed. The next cycle's dates will appear here once Indian Institutes of Science Education and Research announces them.
IISER IAT 2026
Every date above is taken from Indian Institutes of Science Education and Research's own notice or bulletin, linked beside it. Checked 24 Oct 2026. The official site is always the final word.
Exam pattern
Exam pattern (IISER IAT 2026)
- Computer based test of 180 minutes, 60 multiple choice questions
- 15 questions each from Biology, Chemistry, Mathematics and Physics
- 4 marks for a correct answer, minus 1 for a wrong answer; maximum 240
Summarised from IISER Aptitude Test (IAT) page, iiseradmission.in. Read the full bulletin before applying; the official document is the final word.
Courses through IISER IAT
Not every course in these fields uses IISER IAT; it depends on the college and quota.