According to RBI guidelines card holders are required to submit KYC ("Know Your Customer") documents for notifying any change in their residential address. You can submit SBI bank account Address change form both online and offline.
How to Activate SBI Debit Card ATM Pin?
To prevent unauthorised access to anyone's bank account ATM debit cards are no longer provided with any set PIN. New debit cards have to be activated first by generating a Green Pin (also known as soft pin) and setting a permanent pin for your ATM transactions.