Telkom not delivering according to their contract

I upgraded 1MBS to 10MBS ~ 2 months ago. Highest recorded speed achieved on my side was 6.74mbs for a brief period - less than 2 hours. example of DL speed over past 4 days, 0.72MBs, 0.77 MBs, 2.07MBs, 1.15MBs, 2.15MBs, 2.37MBs, 2.37MBs and 0.88MBs. <br> It seems everytime I report the fault, the line is reinstated for about 2 hours and then dropped again.<br> I was told by a Telkom technician yesterday, that my contract was downgraded at the Telkom side - hence contractual breach from Telkom, even worse without informing me and I am paying for 10MBs, whilst Telkom is not delivering on their contract.<br> I work internationally on system tools and I am not able to do my daily tasks - hence I will have no other choice but to hold Telkom responsible for loss of income.