Hi ,
Yes you can apply for msc in forensic science after completing bsc from Microbiology.
M.Sc. in Forensic Sciences is a 2-year full-time post-graduate course which is divided into 4 semesters.

Eligibility criteria  - Bachelors degree in science/ engineering / pharmacy/ medicine, obtained from a recognized university
A minimum aggregate score of 60% at the level of graduation.
I hope you fulfill the minimum marks condition .
Hope it helps....