Telemarketing — Asking Indian Bank ATM card pin number

A person called from mobile number [protected] and introduced as calling from Indian Bank Chennai branch, asking my Indian Bank ATM card number, pin number to upgrade my card, myself refused, then used un-parlimentory words and disconnected the line.

These people are cheating more and more general public and need to be punished.

Please do the needful.

Thanks.

Saravanan