Hello,

There are several entrance exams that offer admissions to various institutions after BSc.For admission to MSc courses in  IIT/NIT you will have to qualify IIT JAM.For admission to Central Universities you should apply for CUCET. Some of the common entrance tests for MSc programs are given below :

JEST - MSc entrance test for National Research Institutes

TIFR GS - MSc entrance test for Tata Institute of Fundamental Research

JNUEE - MSc entrance test for JNU Delhi

Hope this helps!!