Hello dear aspirant

Hope you are doing well.

B. Sc Mathematics is a popular course at the graduation level.  For a complete duration of 3 years,  you will be studying different topics of mathematics which includes algebra,  real analysis,  group theory etc.
The scope after B. Sc mathematics is good,  if you are lucky,  you can get direct campus placements. You can also opt for various government service exams like the one in Bank,  UPSC and SSC.

Hope it works.