After doing M.Com course, you are eligible to apply for the government and private sectors jobs. There are ample amount of opportunities in both sector for you.

Governments Sectors in which are eligible to apply are:

UPSC
Railways
Bank PO
Indian Administrative services
State PSC

Private Sectors in which you can apply are:

Private Bank
Stock markets
Finance Services organizations
Insurance Companies
Private Colleges

Following are the job titles for which, you can apply:

Assistant Manager
Company Law Assistant
Junior Accountant
Relationship Manager
Sales Officer (Accounts)
Accountant
Book Keeper
Cashier
Financial Analyst
Mutual Fund Broker
Budget Analyst
Internal Auditor
Securities Analyst
Lecturer

Private companies in which you are eligible to apply are:

Bajaj Allianz Life Insurance Company Limited,
SBI Life Insurance Company Limited,
HDFC Life Insurance Company
HSBC,
Max New York Life,
HDFC