BSC mathematics is much about learning mathematics as we have done in school. BSC in applied mathematics is Maths in practical use. For example) Number system which is pretty simple is learnt in Bsc Maths and its application in computer encryption systems and other such uses and applications are taught in BSC applied mathematics. Depending upoin this, choose the one where your interest will lie and choose the one which you will enjoy more.

Refer to the website below to know more about the same -

https://university.careers360.com/colleges/list-of-bsc-in-mathematics-degree-colleges-in-india

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

Best wishes. Thank you.