Dear Anita,

Msc Chemistry is a 2-year degree program. This is a research degree. There are many colleges and universities that offer the course in India. Some colleges offer admission on the basis of graduation marks while  highly reputed colleges and universities admit the students through entrance tests.Some of the entrance tests are NEST, BITSAT, TANCET,IIT JAM etc.

You can check about all the tests here: https://www.successcds.net/Admission-Notification/msc-chemistry-admission.html

I hope this helps you!