***** of unthorized debit order from Telkom

Dear Telkom It's me again. I don't know what to do any more as Telkom fail to help me with the ***** of unauthorized debit order in my name. From the 15th of October Telkom debited my account with the amount of R2000 twice a month. On the 15th of November Telkom debited my account with amount of R3000 and on the 16th of November they debited R3687.03. Please note that I DO NOT have any product or contract with Telkom. I have send all the required documents that Telkom needed to investigate my case and they said they have received all the documents. Today 21 November 18 when I called Telkom , they said my case was close because they didn't receive relevant documents. These people saying different things that are contradicting. I have spend a lot of money calling Telkom and they put me through different departments and at the end I don't get assistance. Not sure if this ***** is inside job since they close the case and lie that they didn't receive the relevant documents. I'm really frustrated and tired of running after Telkom and the worse thing is, this is causing a bad credit record on my name as I must reverse all these unauthorized debit orders and the bank is charging me for reversing. Can someone in Telkom do his/her job PLEASE.