New Delhi, Dec. 3 -- Have you ever received a call from someone posing as a bank employee who offered to enhance your card's credit limit? If you turned down the offer, you definitely saved yourself from getting conned.

There have been several instances where credit card customers are tricked into sharing their OTPs under the pretext of obtaining a credit limit increase.

The common modus operandi looks like this: A person calls up a credit card customer with an offer to enhance the credit card limit. When the customer agrees, they would perhaps share their card details, CVV, date of expiry, and even the OTP sent to their registered mobile number.

The hapless card user might later realise that the caller was not from the bank but a frau...