Dear Rajesh, the subjects depend upon your specialization like B.Com Honors, B.Com Economics, B.Com Management Studoes, B.Com Computer Applucations, B.Com Foreign Trade Management, B.Com Taxation, B.Com Accountancy and many more. But in general, the subjects might be:

1. Accountancy: Corporate Accounting
2. Economics: MacroEconomics
3. Business Management/Communication: Fundamentals of Management
4. Company Law: Elements of Company Law
5. Cost Accounting
6. Banking and Financial Systems
7. Entrepreneurship
8. Business Management
9. Marketing Management.