hi dear,

Yes, you can ofcourse get into top BSC hons mathematics colleges in India with your percentage. however, you might face difficulty getting admission on the basis of marks in qualifying exam. Hence I'll suggest you to sit for entrance exam conducted for admission in top colleges for the course.

Check out the list of top Bsc maths hons colleges in India:

https://university.careers360.com/colleges/list-of-bsc(hons)-in-mathematics-universities-in-india

good luck