An HDFC Bank customer can generate MPIN from MobileBanking or via NetBanking
Generate MPIN from MobileBanking
Log in to HDFC Bank MobileBanking App & go to ‘Accounts‘ option at the bottom.
Generate MPIN from NetBanking
Log in to HDFC Bank NetBanking from here. Open ‘Accounts‘ section and select ‘Requests‘