Hello Bharti,
Following are the options you can pursue after B.com
1) Masters in Commerce(M.com)
2) Masters in Business Administration(MBA)
3) Chartered Accountant(CA)
4) Company Secretary(CS)
5) Cost and Work Accountancy(CWA)
6) Certified Bank Manager Programme
7) Ceritified Financial Planner
8) CRISIL Certified Analyst Programme
International courses
1) Certified Management Accountant(CMA)
2) Certified Public Accounting(CPA)
3) Association of Chartered Certified Accountant