Pasfar Technologies - credit card on call transection fraud

some one person call me and said he is rbl bank cutomer executive. and he knows my both credit card details including CCV and said your Credit limit increse approval based on your Credit score if you want to inrrese credit limit. i said yes and after he said my both cards full number and said also expiry date and said cvv also. after credit card limit approval successful and he said plz check one confirmation message from RBL bank received to you plz confirm this number i said this number after he cut the phone and i show *****/- transection from my credit card to pasfar Technologies ********** ind.