First go through the syllabus of banking exams and previous year questions so that you can understand type and level of questions asked in exams.
Regular practice and preparation in the correct path will definitely lead to success.
Best of luck!!

In order to make your Career into the banking sector, You need to apply for banking exams like IBPS, SBI. To apply for the exams you should be Graduate in any of the field, Your age should be between 21 to 30 years to apply.