Courses to do alongside MCom can be:

CA, CS, MBA, BEd, LAW, Mass Communications, a course on IT applications, a course on Taxation, financial planning, CFA, Foreign Trade.

You can pick up the course according to your interest, and where you want to shape your career to.

Hi,
There are several other courses that you can do along with MCom
Chartered Accountant
Company Secretary
MBA
Certified Management Accountant
Certified Public Accountant
Chartered Financial Analyst
Financial Risk Manager
Association of Chartered Certified Accountant