Telkom Failing to resolve my query

hi i received my phone upgrade in January , then i started noticing that my billing was wrong <br> Called them on the 28-29 February to let them know my billing was wrong. case was logged , month end R748 was deducted instead of R199, called them in march and still nothing was done R548 was deducted instead of R199.<br> made followups in the month of march but still no progress.<br> 12 april 2016 called them again and was told my case was closed because they couldn't get hold of me.<br> <br> i am tired of this because the so called manager thulilile has done nothing to resolved my problem.<br> <br> bad bad bad service, i have been a client for 5 years and this is the treatment i get.