Hello
ANN MARIYA JOSE , From some research on internet about your query I found that there are many best courses which are following:

• Chartered Accountancy (CA).
• Company Secretary (CS).
• Cost and Management Accountant (CMA).
• Bachelors of Commerce (B.Com).
• Bachelors of Commerce (Honours) or B.com (Hons).
• Bachelors in Economics.
• Bachelors of Business Administration (BBA).
• Bachelor of Management Studies (BMS).

Hope it will be helpful for you :)