Deals Mantra Epay Kerala — We have lost 7762

Sir on 16/05/2016 one person called to our number she told that we r calling from sbi office and asked atn number cvv number and also otp she told it is only for verification later we got to know it was a fraud call and my account was debited with rupees 7762 please guide me what to do and they have also told me to save their number if any dout we have they had asked to call them

mobile number-[protected]