Step 2: Enter your user id and password. Step 3: Under "My Account" section, click on the "Update Aadhaar with Bank accounts(CIF)" sub-section.Step 1: Request an Aadhaar linking application form from a bank representative. Step 2: Fill out the form carefully with your bank account and Aadhaar details. Step 1: Visit your bank's nearest branch. Step 2: Carry your Aadhaar or your e-Aadhaar. Visit your nearest bank branch. 2. Carry a self-attested copy of your Aadhaar card. 3. After visiting the branch, you need to ask for a copy of the form that enables you to link your Aadhaar with the bank. Yes, you can link multiple bank accounts with the same Aadhaar number.