Cell c *****ing money from me

i would like to take this opportunity to tell people not so sign with cell c. i had a 2 year contract with them for my fibre, its a year later, they are still charging me, they are still sending me invoices, they still sending me statements, they have now **********ly taken about R10000 from me, and refuse to pay it back even though the *****s department confirmed that it is *****, a year later i have been to ICASA and now i am with The NCC to try and get my money back. cell c is *****'s that ***** your money after you cancel and doesn't pay it back, worst service in forever. DO NOT SIGN WITH CELL C