Hello Aspirant ,

To appear for Banking exams such as SBI PO, IBPS PO,NABARD,etc, one must have a graduation degree from any stream from a recognized university. therefore you can definitely prepare for banking exams along with Bsc in maths.

Doing Bsc in maths will  additional help you to build your quantitative skills which will help you in clearing the quantitative aptitude section in banking exams which is a part of all major banking exams in India.

therefore , you can prepare for banking exams along with Bsc in maths.

hope this helps!

Hii!
Yes, you can definitely prepare for jobs in bank while studying or after completing your graduation in BSC mathematics. The eligibility criteria just mentions about completing graduation from a recognised university. Also, check for the eligibility criteria of different banks you are applying into as it may vary slightly.
Hope this helps.
Good luck!