Hello

To become a investment banker in india it is not mandatory to do a particular degree,you can go  with any degree. Any person who has good understanding of financial assets and investing can become investment banker.

This courses  are helpful for the candidate to get into entry-level position in this field:

B.com (Hons)

B.A in finance/ Economics.

BBA in finance.

CFA (Charted Financial Analyst) program.

CFA is the beat course for investment banker because most of the top companies hire candidates who have a completed CFA courses.

With undergraduate level qualification,one can get entry in this field and by gaining a good experience of this field  (at least 2 to 3 years )it become essential for the candidate to go for a post graduate course like mba in finance to grow in the field.

Feel free to ask

Good Luck