To, The Branch Manager Indian Bank, Branch …………………... Subject: - Application for mobile number change in bank account. Respected Sir, I am ………………. I have bank account number ………………….……………., in branch ……………… (current branch). My old registered mobile number is ………………………. which is i am not using presently. My new mobile number is ……………………. I want to register my new mobile number with my bank account. I request you to update registered mobile number with my bank account, I will always be grateful for this. Thanking You Your Faithfully signature. Name: Account Number: New Mobile Number: -