hi,

see tier 1 institute has admission process based on merit score in qualifying exam and personal Interview, some of the institute has written test to shortlist candidates. so you have to check the official website to check the admission process and it liable to change in every year.

follow the below link to know about m.sc life science colleges in India:

https://university.careers360.com/colleges/list-of-msc-in-life-science-degree-colleges-in-india