Salemall Epaykerela — Fraud transaction

On (06/ 1 / 2016) i received a call from +91 - [protected] which said it's from sbi credit card department and fraudulently taking my card credentials i. e. Otp and cvv number they made a transaction of rs 7888. 00 against salemall_epaykerala. The other mobile number which was used to send messages is +91 - [protected]. Can you please cancel the transaction as it is a fraudulent one and i haven't made any transaction today through my sbi credit card and revert the amount to my credit card. The no. : +91 - [protected] belongs to harish Gfa as per truecaller app. I need your assistance please in...