Cancelled contract still deducting

<p>I have officially cancelled my contract with Telkom in November 2016 already and they just keep debiting my account. I have called and i have a case number, being promised my case will be looked at asap. I had to again call in January 2017 as it is still deducting. All i ask is that the data stops being loaded unto the device and that the debit orders be stopped. Is this so hard?!</p>