For Credit Cards keep your card which has the details of the cardholder name, number, CVV, and expiry date. Apart from this you also need to have your 3D secure password / online authorization code (“OAC”). 2. For Debit Cards keep your card which has the details of the cardholder name, number, CVV, and expiry date. You will be redirected to the bank site for 3D secure authorization. So keep your OAC or IPIN handy as well. 3. For Net Banking you need to keep your account number as well as your password/IPIN handy.