Terrible Service & *******

I signed for a voice and data bundle and in terms of the contract I was supposed to pay in total R686.99 and once I have reached my data limit they are going to cut off the service. Neotel have been charging me out of bundle rate which I told me that I do not it as it is very expensive. I have to pay R338 for 3 4 GB yet my bundle of 25GB I am paying R437. I refused to pay and they suspend my services despite the fact that I was payinh my contractual amount and more. I have been paying them R700 every month. Why I have to pay more than the contractual amount for service I did not requested. The 1st two months,they credited me with the out of bundle. 3rd month , it was not the case despite been given assurance that they will ensure that I do not get charge out of bundle rate and I will cut off immediately once I have reached my limit. Right now my services has been suspended for refusing to pay R56 outstanding for out of bundle despite paying R700 every month more than the R686.99 contractual agreed amount. Every months I have to spend money on calls to get my services reinstated and spend more than 1 hour on each call. I have asked Neotel to cancel my contract as I am paying what I was suppose to pay and yet my service get suspended and cause inconvenience. Consultant by the name of Comfort yesterday assure me that they sorted out the matter and revert back to me by COB and nothing happened and my service still suspended yet I paid for the it.