Dear Shailesh,

Yes, you are eligible to pursue B.A (Hons.) in Mathematics with PCM as subject combination at intermediate level . But make sure that you should have good marks (Min 50% or above) in 10+2 board exam , so that you will not be suffered with minimum eligibility criteria that varies with different colleges which offers this course.

Well , after qualifying intermediate level , you can search for these colleges and Universities  which offers B.A Hons in Mathematics. This is the link for your your reference.

https://university.careers360.com/colleges/list-of-bsc(hons)-in-mathematics-universities-in-india?degree=B.A.(Hons)

You can find the details about every college which offers you desired program through this link. Use the filter option to modify the preferences as required .

As you are from science stream, you can opt for B.Sc.(Hons) in Mathematics also ! Just the basic differences will be subsidiary subjects or you can say compulsory passing subjects.

Let me know if you are interested to pursue this domain so that I can share the details more about this course .

Hope this helps!

Best Wishes!!