Visit any HDFC Bank ATM
Insert your HDFC debit card
Select your preferred language
Enter your current ATM PIN
Choose the option for PIN change
Enter your new 4-digit...
Log in to HDFC NetBanking or the HDFC MobileBanking app
Go to the BillPay or Standing Instructions section
Open the e-mandate or auto-debit mandate list
Select the...
Call HDFC Bank customer care and request debit card blocking
Use HDFC NetBanking and block the debit card from the Cards section
Use the HDFC MobileBanking...