Hi aspirant,

B.Sc means Bachelor of Science degree. In this degree you will study for 3 years on yearly two semester basis. Every university follows their own syllabus for each subject. Affiliated colleges also follow the same syllabus. Whereas autonomous colleges frame their own syllabi. So based on your college, papers will vary. But some common papers are,

1. Calculus
2. Probability and statistics
3. Analytical solid geometry
4. Differential equations
5. Real analysis
6. Abstract algebra
7. Mechanics
8. Linear algebra
9. Discrete mathematics
10. Linear programming and applications
11. Complex analysis
12. Numerical analysis

Hope it helps.