Assuming asking for IBPS clerk. You can apply online when its application form will announce. You should be graduate to apply for it. For further information about the eligibility you can go through with given below link.

IBPS Clerk

• A Degree (Graduation) in any discipline from a University recognised by the Government of India
• Graduation equivalent qualification recognized as such by the Central Government
• The candidate must have valid Mark-sheet / Degree Certificate of their Graduation at the while applying for the IBPS Clerk
• All the educational qualifications should be from a University/ Institution/ Board recognised by Government of India.