After your 12th, preferably in Commerce, you should ideally pursue B.Com provided you enjoyed subjects like Commerce, Accounts, Economics and Mathematics in your 10+2. You even have an option to pursue a Bachelor of Management Studies, or BBA or BA in Economics, incase you didnt quite enjoy Commerce or Accounts, but want a career in Banking, Taxation, Finance  Commercial and Consulting Firms.

Incase youre interested in Government Sector Jobs, you may hence prepare for Examinations like SBI PO, IBPS PO, RBI Grade B, Indian Economics Services or other relevant examinations.

You may even pursue a MBA after your respective undergraduate degree and hence take up positions with Financial, Investment Banking, Hedge Fund, Consulting and Business Organizations.

For more information about a Career in Banking do follow the link below

https://www.careers360.com/articles/Finance-Accounts/Make-a-career-in-Banking/amp