IISER Aptitude Test (IAT) — Overview, Eligibility & Syllabus
2026 cycle Verified 4 November 2026
Overview
The IISER Aptitude Test (IAT) is the entrance for the five-year BS-MS dual-degree programme at the Indian Institutes of Science Education and Research (IISERs) and a few partner institutes. It is a computer-based test covering four science subjects.
Eligibility
Open to candidates who have passed Class 12 in the science stream (Biology, Chemistry, Mathematics and Physics) within the specified years, usually with a minimum aggregate. Check the current IISER admissions page for exact cut-offs.
Syllabus overview
The IAT covers Biology, Chemistry, Mathematics and Physics at the NCERT Class 11–12 level. EntrancePrep's full PCMB NCERT coverage maps directly to all four sections.