JAM

https://www.lnmiit.ac.in/Department/Physics/Physics_MSc.html
This link will tell about your eligibility criteria that IIT JAM is not necessary but if you are not eligible on this basis then there will be written test would.be taken.
IIT Jam cut-off range may lie between 14 -16.

Hello Aamin,
Microbiology is a part of biological sciences paper. Thea syllabus is for Microbiology, Cell Biology and Immunology is as follows:
1) Classification of microorganisms and their characterization;
2) Nutrient requirement for growth;
3) Laboratory techniques in microbiology;
4) Pathogenic microorganisms and disease;
5) Applied microbiology;
6) Viruses and fungi;
7) Microbial genetics;
8) Cell theory;
9) Cell architecture;
10) Cell division;
11) Types of chromosome structure;
12) Biochemical genetics- inborn errors of metabolisms;
13) Innate and adaptive immunity, antigen antibodies;
14) Principles of processes of development.

Yes, why not. Go for IIT JAM. Prepare for it some months before the test and crack it up. Best of luck.

IIT JAM exam score can be accepted by following colleges or institutes:-
1) IISERs
2) IITs
3) NITs
4) Central University's colleges etc.

IIT JAM is not a course, it's an examination for pursuing M.Sc. From IIT, for more details check the link below:
https://www.shiksha.com/science/iit-jam-exam