Laplume group e pay kerela – froud with me and deduct an amount from my sbi credit card

I am sandeep biswas,today 24.4.2015at 4.00 pm Mr Rahul callme from mobile no 9136712565 and told me that your SBI card block for today because New card issue to you .It will be delivered within 4days,then asked some information .He told me that from Delhi office call you for verification. After some time a call come from tel.no 11165990157again they asked my card no address and other detail, he told me that otp will sent to you for verification then he collect me the OTP after that message comes to debit an amount Rs 6920.It’s totally fraud with me without get consent, amount has transfer to the company laplume group e pay Kerala.
Place.return my amount place.help me inthis regard