IISER Aptitude Test 2025 Eligibility Criteria - Check Age Limit, Marks Required, No of Attempts, Important Factor

IISER Eligibility Criteria 2025

IISER eligibility criteria 2025 is a very important criteria inorder to appear for the exam. Candidates have to first check the eligibility criteria of IISER 2025 and then fill the form to appear for IISER exam 2025. As per the IISER Eligibility Criteria 2025, applicants must be Indian Nationals, PIO, or OCI. They must have cleared Class 12 or equivalent examination with science stream in 2024, 2023 or 2025 from a board recognized by COBSE (Council of Boards of School Education in India). They must have taken a minimum of three Science subjects among Biology, Chemistry, Physics, and Mathematics in Class 12. Candidates from SC/ ST/ and Pwd categories must score a minimum of 55% marks in aggregate while the ones belonging to other categories must score a minimum of 60% marks in aggregate or equivalent grade during the Class 12 examination. If any information makes a candidate ineligible, the application form will be rejected. 

IISER Aptitude Test 2025 will be conducted in the second week of June, 2025. The exam conducting authority establishes the IISER 2025 eligibility criteria. IISER eligibility criteria 2025 include qualifying exam scores, nationality, educational background, and other relevant information that must be submitted when applying. Candidates can find detailed IISER 2025 eligibility criteria on this page.

Detailed IISER 2025 Eligibility Criteria

Candidates can check details about IISER eligibility criteria 2025 below:

• Indian National, PIO & OCI candidates are eligible to apply. 

• Candidates must have passed the Class XII (or equivalent) exam with science stream in 2024, 2023 or 2025 from any board recognized by the Council of Boards of School Education in India COBSE as per IISER eligibility criteria 2025.

• Candidates must have studied at least three subjects from Biology, Chemistry, Mathematics, and Physics in their Class XII (or equivalent) examination as per IISER 2025 eligibility criteria.

• Candidates of the SC/ST/PwD category must have scored a minimum of 55% marks in aggregate or equivalent grade in their Class XII (or equivalent) exam.

• Candidates belonging to other categories should have scored a minimum of 60% marks in aggregate or equivalent grade in their Class XII (or equivalent) exam.

• Candidates passing out from the J&K Board of School Education (JKBOSE), from Winter Zone areas of Jammu division and the U.T. of Ladakh/ Kashmir division, who had appeared in Dec 2021 for their Class 12th or equivalent examination are also eligible for IISER Aptitude Test 2025.
• Candidates belonging to Kashmiri Pandit/Kashmiri Hindu Families (Non-Migrants) may also apply for the aptitude test as Kashmiri Migrants. They should upload a valid domicile certificate at the time of application in place of a "Kashmiri Migrant Certificate” and qualify for all the other eligibility criteria.

IISER Eligibility Criteria 2025: Reservation Policy

Candidates who are going to apply for the IISER Aptitude Test 2025 and belong to the reserved category should check the reservation policies for IISER 2025 eligibility criteria. 

• The Scheduled Caste (SC) candidates reserve 15% of seats.
• Candidates from Scheduled Tribe (ST) reserve 7.5% of seats.
• Candidates from Other Backward Classes belonging to the Non-Creamy Layer (OBC-NCL) gets the 27% of seat reservation.
• Candidates who have disabilities (PwD candidates) with at least 40% impairment reserve the 5% of seats (supernumerary).
• Kashmiri Migrants get 3 seats per IISER in the reservation (supernumerary).
• EWS — up to 10% (according to Government of India rules). It should be noted that the EWS/OBC-NCL certificate must have been issued on or after April 1, 2025.

Note -  Candidates will require to submit the category certificates while filling out the IISER 2025 application form.

Mode of IISER Admission 2025

• The IISER Aptitude Test (IAT) is the exclusive channel of admission to IISERs.
• The aptitude test is a computer-based test which will be held at different exam centres across India.