Which is the best degree: B.A. or B.Sc.? For maths, is there any college to get admission in at the present time?

Of course, B.Sc. There are many colleges which are taking admission right now. You can search in your locality and the admissions are open just for a few (2-3 ) days only.

B.Sc in mathematics honours will be the best one. You should search the colleges near you. They might be offering admission at this time. Go there and figure out where you should take admission.