The minimum eligibility criteria for the MSc Mathematics course is student should have passed B.Sc. (Mathematics) or B.Sc. (Mathematics with Computer Science Applications) or any other relevant degree with Mathematics and English as main subjects with a minimum of 60% marks. The minimum percentage varies from University to University.

Here's a detailed information about the MSc courses:
https://www.careers360.com/courses/msc-master-of-science

Hope this helps :)