Quick Facts

Exam

IISER Aptitude Test

Seats

Course Details

MODE

Full time

DURATION

60 Months

It is the flagship program of the IISERs. The BS-MS programme is for a duration of five years, intended for bright and motivated science students who have passed (10+2) level. The program integrates classroom learning with research and provides ample scope for multidisciplinary interactions.

The first two years of the program consist of core courses in basic sciences, the third and fourth years are dedicated to specialization in chosen science subjects (biological, chemical, physical, earth sciences and mathematics) and the fifth year includes a research project. The training during the program enables students to pursue a career in academia, R&D institutes, and science-based industries.

Key Features

Highly competent and motivated faculty in various disciplines with a passion for science
Integrated undergraduate teaching with cutting edge research across disciplines
Upcoming eco-friendly green campuses with appropriate infrastructure
Library with online resources, books, and research journals
State of the art teaching and research facilities
Sports and recreational facilities
Hostel/Mess facility for all students
Attractive Scholarship Opportunities

Important dates

Exams and Events	Dates

IISER Aptitude Test Admit Card Date (Mode - Online)	23 May'26 - 6 Jun'26
IISER Aptitude Test Exam Date (Mode - Online)	7 Jun'26 - 7 Jun'26
IISER Aptitude Test Answer Key Date - Provisional answer key (Mode - Online)	6 Jun'26 - 6 Jun'26
IISER Aptitude Test Answer Key Date - Objections to provisional answer key (Mode - Online)	6 Jun'26 - 8 Jun'26
IISER Aptitude Test Others - Portal closes for filing objections (Mode - Online)	12 Jun'26 - 12 Jun'26
IISER Aptitude Test Others - Windows for selective information / document upload in application form (Mode - Online)	12 Jun'26 - 20 Jun'26
IISER Aptitude Test Others - Last date for selective information / document upload in application form (Mode - Online)	20 Jun'26 - 20 Jun'26

Eligibility Criteria

Applicants must be Indian nationals, OCI/PIO/Foreign Nationals to apply for IAT 2025.
Candidates must have passed the Class XII (or equivalent) examination in 2023 or 2024 or 2025 with science stream from any board recognized by the Council of Boards of School Education (COBSE) in India. Foreign Nationals need to upload an equivalence certificate issued by the Association of Indian Universities unless they have passed the Class XII or equivalent level examination in 2023 or 2024 or 2025 with science stream from any board recognized by the Council of Boards of School Education (COBSE) in India. The equivalence certificate must be uploaded while submitting the IAT 2025 Application Form under "Please upload copy of document supporting your claim of Foreign National (You'll need to produce original when necessary)".
Candidates must have taken at least three subjects among Biology, Chemistry, Mathematics and Physics during their Class XII (or equivalent) examination.
For admissions to the following programs, candidates must have Mathematics during their Class XII (or equivalent): 5-year BS-MS in Computational and Data Sciences program at IISER Kolkata, 4-year B. Tech. program at IISER Bhopal, 4-year BS in Economic Sciences program at IISER Bhopal and 4-year BS in Economic and Statistical Sciences program at IISER Tirupati.
Candidates belonging to SC/ST/PwD are required to score a minimum of 55% marks in aggregate or equivalent grade in their Class XII (or equivalent) examination. Candidates belonging to other categories are required to score a minimum of 60% marks in aggregate or equivalent grade in their Class XII (or equivalent) examination. Note that, the percentage needs to be calculated using aggregate marks, that is, considering ALL the subjects taken in Class XII (or equivalent) level.