there are several colleges you can go for if you want to pursue masters in microbiology and that too from india as well as abroad.

if abroad, you must prepare for GRE or IELTS, GRE being better option as it gives you scholarship aids too.

if in india, you must first decide if you want private or government college, being

sharda university gr. noida

amity university noida

IITs(jaipur)

saint xaviers college mumbai

DU and such.

go for past year entrance papers from JNU and other colleges and prepare so that you get seats in good govt. colleges.

all the best.