Billing dispute and unhappy with the service from telkom

I have done a hello peter escalation a month ago and have not received feedback as yet as I am an very unhappy customer of telling who has been with telkom for years I have took 2 years contract of an home internet with telkom I was promised to pay R199 now my bill is gone up to R375 that was not as per agreement with telkom I would like a refund and my bill to go back to R199.

ID number:*** Contact number:***/ *** As I am unsure of the number in question due to it been a home internet.

Kind Regards, Tarryn