In this comprehensive guide, I will cover everything from sample application formats to the process of submitting your request, both offline and online. Visit the bank's branch to fill an 'Aadhaar Linking' application form.Request the bank to link your Aadhaar with your account; Fill up the mandate and consent form of the bank. Are Aadhaar linked mobile number and bank account mandatory? Step 1: Visit your bank's nearest branch. Step 2: Carry your Aadhaar or your e-Aadhaar. Know Documents And Charges. Visit any bank branch with a copy of your Aadhaar number and original Aadhaar card.