Blatant theft by MTN

My 24 month contract expired 1 July 2017 to which I gave more than 2 months notice to cancel. Cancellation reference number 251 249 182. My wifes 24 month contract expired 8 Aug 2017 to which I gave 3 months notice to cancel ref # 251 365 183. I have have it in writing here on hellopeter where MTN's Willem Loots assures me that the contracts have been cancelled, but eversince Mtn has been deducting money from my account, and on 31 Aug 2017 they stole another R991.81 from my bank account which is even more than both accounts put together. 30 Sept and MTN stole another R872.03 from my account. Cancellation reference numbers 251 249 182 and 251 365 183 Account numbers: A ********** and A ********** For numbers: ********** 659 and ********** ICASA Complaint ***/17