To,
The Manager,
State Bank Of India,
Falakata Branch,
Falakata

Sub: Requesting for change mobile number

Sir/Mam,
It is humbly requested that I have a saving account in your bank. I need to change my registered mobile number from (Your old mobile no.) to (Your New mobile no.).

The details of my account are given below:-

Name – Your Name
Account No.:12345215454
Address.:___________
Mobile no.:767900000
Kindly update my new number.

Thanking you

Signature
Date –