For updating your communication address, you can place a request at the nearest branch with the required documents. It will be executed within 7 working days from the date the request is placed. Please carry address proof documents like shop licence, Passport, driving license, Voter ID, Aadhaar card, utility bill, bank statement, bank account Passbook (updated and not more than 3 months old), etc. please carry the originals and self-attested copies.