Fraud Transaction — Farud transaction from the account

This is regarding an unauthorized transaction made with my debit card of INR 300000
My account is debited with the name of OTHPG paytm with rs 5656 without any message
i never use card online and never share card details to anybody
please give me a solution
i have compliant to my bank but they have not gave my any satisfaction answer so i request please provide me a solution