In App purchases wrongfully taken off my bank account

money is taken unfairly from my account. I have said multiple times my in app purchase was switched off for some time i have recently added a subscription to upgrade my icloud and accepted an amount to be charged from my account however upon enabling this i now once again see charges for the game in app purchases which i did not do.. this is ridiculous that i have to keep asking and explaining ,this in app purchase was wrongfully taken off my account!!!! And even after repeatedly requesting a refund it gets denied.. so essentially money is ********ly being taken off my bank account when i did NOT make these purchases. Utterly disgusting service provided