Hey Neha!

The first step you could follow is check out all the colleges which offer the course forensic science.

Usally the courses mbbs and bsc would be the courses you need to follow.

You could either do a bsc in forensics and later take up msc for further studies in forensics

Or take up mbbs with your major as forensic science later.

The list of colleges offering forensic science in India are -

Bundelkhand university

Ifs India education department

Dr bhim Rao ambedkar university

Amity institute of forensic science

Osmania university Hyderabad

University of Madras.

Wish you all the best!