Still debiting my account after cancellation of contract

<p>I followed the procedure as guided by telkom to cancel all my services on 31 October 2016.</p> <p>A person from Telkom phoned me to confirm that my account would be cancelled by 30 November 2016.</p> <p> </p> <p>On 1 December 2016, my bank account was debited again!</p> <p> </p> <p>I have sent numerous emails and have received absolutely no feedback on how Telkom plans to reimburse me.</p> <p> </p>