Hello,

No, you cannot pursue MSc Mathematics if you have not studied the subject in graduation level, as the eligibility criteria for the same is passed graduation with mathematics as main subject from a recognized university securing 50% aggregate or above, it depends entirely upon the college and it may vary. also admission process is dependent upon the colleges it can be done through entrance tests such as CMI/IIT JAM/CUCET to name a few, or it can be based on the merit of the qualifying examination.

you can visit our page at https://www.careers360.com/courses/msc-mathematics to know more details regarding this,