B.Sc. is a 3-year duration undergraduate course and is one of the most popular career choices for students who opted for science in the 10th. It can be pursued both full-time and part-time. You can also go for specific B.Sc. courses like agriculture, IT, physics, chemistry, math, and biology. A simple Google search for BSc course list Bihar will show you all the B.Sc. courses available in every college of Bihar.
http://cvrubihar.ac.in