Billing after cancellation

On the 7th December 2015, l logged a complaint via hello peter, for the cancellation of services with Telkom, the person who assisted me was Busi, he told me that my cancellation query was send through to the cancellation department after wich I did get a call to confirm my cancellation. Only to found that my accouht have been debt on the 01/01/2016. I would like this to be investigated as well as my money retuned in to my accouht with the bank admin free for this debt order, I will also cancell this with my bank.<br> <br> the ref number that was supp**** by Busi is SM175634