Bad Advertising and business ethics

Good Day All

My Name is Alexander Mankayi Customer Number ***3 and am having a serious problem with Dstv as i took and explora last year for R500 each and every month as they said its for two years but since i have been paying R830 each and every month and everytime i query i do not get any response now currently my bill for this month R 941.00 of which they fail to explain why their services are going up and when i checked the brake down they included the Disney package that we didnt request in our billing this outer ***** nad bad business ethics i would like to cancel this explora deal and let them come and take the dish as its falls advertising