In case your card gets lost or stolen, all you have to do is call HDFC Bank 24x7 PhoneBanking immediately and report the loss of your card. The card can also be hotlisted using our Prepaid NetBanking facilityIn case you have opted for a back-up card, then you can request to activate back-up card and transfer balance on your hotlisted card to the back-up card. Balance transfer will be carried out instantaneously.