bad bad bad service

What is wrong with telkom staff why can't they sort out my things what must I do so that you can start doing your work in a proper manner when you receive my money everything is good but when I need your help there is no one to assist I already send my cancellation documents on 17 dec 2015 up to now it's not been cancelled no one inform me they are going to deduct new installments in January it's already February so by now you already deduct again installments after I already cancel the contract in decemer this is not on its not my 1st time that I receive this bad service from you the number I want to cancel is *** the case number I receive is ***1 the reference number I got is SM 192143 if I don't get a refund on my money and the contract cancelled I will take it further