hi,

see in india the best institute for doing master of science course is iisc, iits and nits, to admission in the above mention institute you need to appear in iit jam exam, where final year bsc candidates or candidates who have already passed the bachelors course may apply. however you need to satisfy the marks and other eligibility criteria for admission process. follow the below link to know more about iitjam,

https://university.careers360.com/articles/jam