Incorrect billing

We have struggled for 2 months to get Multichoice/DSTV to debit our new bank account correctly. <br> On 1 Sept, we notified Multichoice of our new banking details. During Oct they still debited my old bank account. I then contacted Multichoice telephonically and was advised that they would update the banking details. There was no deduction for November 2015, so I again contacted the call centre, only to be advised that the banking details have been changed and are correct, however, they are unsure why the monies were not deducted, and that the query would have to be referred to a supervisor. The supervisor would call back. 3 days later, another call to Multichoice, only to be told exactly the same. <br> This morning again, I called to enquire why my the monies hadn't been debited only to be told that they would forward the query to a superior... who will hopefully one day respond to my query.<br> Please can someone urgently advise why the subscription for November 2015 has not been deducted, and why are there various amounts going off like R64.50 instead of the full subscription & insurance all in one!