NISER primarily offers programs in physical sciences, particularly physics, chemistry, Mathematics, and biology. While having Mathematics, physics and biology in your 12th combination is suitable for admission to NISER, you would typically apply for programs related to biology or interdisciplinary subjects that include biology along with physics and Mathematics.

Click on the below link to know more about NISER eligibility criteria.

https://university.careers360.com/articles/nest-eligibility-criteria