State Bank Of India [SBI] — fake sbi creditcard call

Address:

No3, Bharathidasan 1st cross street, pallikaranai, Chennai, Tamil Nadu, 600100

Dear sir/madam,
My name is aanad, 2days before i got a sbi fake call. They told me to increase my card limit and they said you will received one iv call please answer that.. I also filled the details like my card number cvv number etc.. They said you will received 2 otp then get confirmation message.. But my account has debited rs. 50000 & rs. 20000 at the time of otp arrived respectively.. Please consider my problem and give a solution