Hello saikat

Pleas make your question more clear as it is hard to Underwood what are you asking .There will be lots of entrance exams for msc going to be conducted in 2021 . The most important is IIT JAM whose last date for filling of application is 15th Oct .You can also fill the application form for gate ,Du ,Bhu,jnu ,Amu or other college /university entrance exams .Try looking at their particular website to know about the important dates and other informations .

Best wishes