Hello Diya, Commerce is a vast field which includes Finance, Accounting, Law, Taxation, etc and many other streams which you can choose from.

Some of the best courses one can do are_

• B.com  (bachelor of commerce)
• B.com  (Hons)
• Bachelor in Economics
• Bba(Bachelor of Business administration)
• BMS(bachelor of management studies)
• CA(charted accountancy)
• CMA(Cost and management accountant)
• CS(Company secretary)
• CFP(certified financial planner)
• Bachelor of Law(LLB)

Hope this helps.

Thank you.