As you know that sometimes it happens that we misplace, lost, or forget our debit card somewhere. In this case, we become susceptible that someone else might try to misuse it and you might lose your hard-earned money.Block HDFC Debit Card Instantly In this case, we will try our level best to block the card so that no other person can misuse it. There are many ways provided by HDFC Bank to block your debit card. There might be some other reason for which you want to disable/block the HDFC Debit card. Whatever be the reason, you can use these methods easily to block your HDFC Debit card instantly.