My complain re MTN billing and customer care

In August MTN debited my account to the tune of R4 423.37. This is after I have been paying in the region of R1200 for the past 4 years. I complained about this and requested that they send me itemised bills. This they promised but never sent any. As if that was not enough, September bill came up to R9 118.79. Again I complained and requested that they send me itemised bill. I called their call centre several times and after realising that they not keeping their promise, I started communicating with them through emails. To this date, I have not received the bills as I requested and now they even blocked my lines for outbound calls.<br> The following are some of the calls (Reference no.