It is advisable to choose the course as per your interest and potential and generally students opt for below mentioned programs after B.Com -

1) Masters of Commerce (M.Com)

2) Masters in Business Administration (MBA) in Finance

3) CA/CS/ICWA

4) Certified Bank Manager Programme

5) Diploma in Banking & Services (DBFS)

6) Certified Financial Planners

7) Certificate Course in Project Finance

There are few international programs also available -

1) Certified Management Accountant (CMA)

2) Certified Public Accounting (CPA)

3) Association of Chartered Certified Accountants (ACCA)

Note : As you have many options present in front of you so please share which one you are interested in accordingly I would be helping you as all have their admission and eligibility criteria.

Good Luck!!!