Use HDFC Bank NetBanking
Log in to your HDFC NetBanking account
Go to Credit Cards section
Select your credit card
Choose Set/Change PIN or Generate PIN option
Enter the required details and OTP
Set your new PIN and confirm it
Use HDFC MobileBanking app
Log in to the HDFC MobileBanking app
Open Credit Cards
Select your credit card
Tap Set/Change PIN or Generate PIN
Verify with OTP
Create and confirm your PIN
Use an HDFC ATM
Insert your HDFC credit card into the ATM
Select PIN generation or change PIN
Enter the required verification details
Set your new PIN
Use HDFC customer care
Call HDFC Bank customer care
Request credit card PIN generation or change
Complete verification as asked
Follow the instructions provided
Use HDFC branch
Visit the nearest HDFC Bank branch
Carry valid ID and your credit card
Request PIN generation or change
Complete the required verification process