DSTV *******LY DEBITING MY ACCOUNT

I have been trying for month to drop my DSTV package from Premier to a family package that I was informed is R300 and something rand. I have called spoken to so many people. Some lady that called me and I again said they again deducted R919 from my account for the 3 month and again this month they did the same. So it's literally been 4 month trying to drop my package after the price lock expired in August. I requested so many call backs and refunds for every month they have been debiting my account for R919. They go into a spin when you request a refund. DSTV will rip you off as much as they can and they try this on all customers that is nor complaining. WHY IS THIS SO HARD?? They are loosing so much business due to NETFLIX and other competitors but they still act like they the only service provider we can use. Go back months on my call to see when this was requested, refund all my money you over charged as i specifically asked for it to be placed on the family package a few months ago. REFUND THE MONEY YOU STOLE FROM ME. If this is not refunded and changed as originally requested, I will be cancelling my DSTV subscription. Please be sure of that!!!