Give me my money back!

I downgraded my DSTV package in July 2015 to have only the North Indian bouquet active(R319) with the PVR capabilities(R80) & SD PVR insurance(R35) which reduced my monthly subscription to R434. My debit order of R1019 was already deducted from my account for the month therefore I was told that my account was now in credit. What should have happened was July Amt-R434,credit left R585. Aug Amt-R434, credit left R151. Sep Amt-R283(debit my acc). Multichoice did not do this. They debited me R1117 in Aug & R1293 in Sept. I contacted the call centre they asked me if I have a child acc I said NO. They could not tell me why I was debited with those amts as they can see my subscription should be R434. I spoke to a supervisor who advised me that the matter would be escalated to finance and I would get feedback by latest today 23 Sept. I have received no feedback as yet. I WANT MY MONEY BACK. I WILL NOT accept that it will be credited to my DSTV acc. I want the money paid into my bank account as this is R2127 that is owed to me and missing from my monthly cash flow which I cannot do without. I also want the debit order cancelled, I no longer want multichoice to have access to debiting my acc