Visit any PNB ATM
Insert your PNB debit card
Select the language
Choose the option for PIN generation or Green PIN
Enter your registered mobile number if prompted
Receive the OTP on your registered mobile number
Enter the OTP at the ATM
Set your new 4-digit ATM PIN
Re-enter the PIN to confirm
Collect the receipt if generated
Alternatively, generate PIN through PNB Internet Banking or PNB Mobile Banking if the service is enabled