I want to know about the fee structure at Government College for Bachelor of Science (B.Sc.).

First you should specify which college. Different colleges have different fees. Government colleges fees for B.Sc varies from 5000-20000 Rs per year. It also depends on subject chosen by you. Like Normally B.Sc (CS) have high fees from other courses like. B. Sc(Mathematics), B. Sc (Physics), and B.