State Bank Of India [SBI] — otp fraud

Address:

560076

On 25th of august otp fraud happened for my credit card which i received some weeks back. After multiple. Mail threads and asking for help from helpline the end result was zero. The money was transfered to paytm and mobikwik. Three transactions happened in total of 31000 rupees. Ending mail stated that i have to check with merchant and merchant is saying that i should check with bank. My question here is that, is this the condition of a major nationalist bank? If you are telling me that this is my fault because otp was shared then i would ask you from where did they get my hdfc card details and sbi card cvv from? Fraud is happening from inside and data about customers are being provided internally. I wont let this end so easy and i want a chargeback of this.