State Bank Of India [SBI] — fraud on my credit card

Address:

411012

Dear sir,

My name is stanley anthony dass, i have been using this sbi credit card since last 6 months, on 1st of sept i got 3 sms of transaction on my credit card of rs-10, 000/- + 10, 000/- + 20, 000/-, i immediately contacted the customer care of sbi and informed them about the incident and they provided me a dispute number _ and told me that i will receive a acknowledgement from them but till date ie 24th oct 2017 nobody has reverted on the same and i m getting a statement with late fees which they told me to pay when i asked them about my concern they say we will revert but till date no call from them.

Please help in this case.