You can apply for IIT JAM to do MSc. IIT JAM is a national level exam which is organized for the admission in MSc, PhD and other integrated courses from IITs, IISc, and other NITs.
The IIT JAM exam is organized for six subjects in Physics, chemistry, Mathematics, biology, geology and Mathematical statistics. The exam is organized in February and the online application process is held in oct-nov month.
The minimum eligibility required for IIT JAM exam is graduation degree. You must have read the subject in your graduation for minimum 4 sem or 2 years in which you want to app