Cancellation at end of contract

<p>Telkom continue to debit from my bank even after the 2 year contract has expired. The best of all my monthly data subscription was R137.50, all of a sudden Telkom changed it to R290.86 without my concent and no communication at all.</p> <p>Bad service !!!</p> <p>I cant believe that such companies still exist in this day and age.</p> <p> </p>