M.Sc Maths

No, you are not eligible to apply for this course as of now. Please check for your eligibility from the criteria mentioned below.
Basic eligibility for this course requires aspirants to have completed their graduation with Mandatory Course : B.Sc. (Mathematics). Admission is based on the marks obtained in graduation. Interested candidates can apply online with required information. Regards

Obviously, IIT since IIT has a better reputation than any other college.

Hi Vidhya,
Yes, you can pursue as you have done BAMS. So, if you want to pursue M.Sc in correspondence, you can do.
All the best.

Hello Krishna,
Here are few best college in India for M.Sc in mathematics please follow the link provided:
https://www.shiksha.com/science/colleges/m-sc-mathematics-colleges-india.

Both are degrees with a difference under which department/faculty (Arts or Science) they are in.

These two are the best options:
Sri Sai College of Engineering and Technology
KC-Khalsa College, Amritsar

Admission Process
Register and Apply
Interested candidates can apply online with required information
Personal Interview
Shortlisted candidates will be called for Personal Interview on the basis of rank in Central Universities Common Entrance Test (CUCET).
Commencement of Online Registration-Third week of March, 2018
Closing Date of Online Registration-Third week of April, 2018
Please refer to the link provided below for details regarding important dates for the CUCET exam:
https://www.shiksha.com/science/articles/cucet-2018-important-dates-application-process-blogId-14858

It does not matter if you have taken a year gap after graduation, for whatever reason. Admission process for M.Sc in maths in Pune University requires candidates to appear for an admission/entrance test, and candidates are selected based on the rank obtained in the entrance test. Regards.