Hi Nagavamsi!! Hope you are doing well!! It's good that you have completed Bsc(hind) microbiology. Now, if you are thinking to do PG courses in that field, then there are three courses available for you which also has a great scope in future and are interesting subjects to study. These courses are-:

1. MSc in Applied Microbiology

2. MSc in Medical microbiology

3. MSc in Microbial genetics and bioInformatics