Hello Rajveer,

Banaras Hindu University offers only one course in mathematics which is B.Sc. (Hons.) Maths Group, it doesn't matter which board you are from. The course is of 3 years and comprises of 6 semesters. The admissions take place via the BHU UET. The notification for BHU UET 2019 has been released by BHU and the application process has begun. You can follow the below link for more information:

Https://university.careers360.com/articles/bhu-uet