Refusal to give access to contracted and data due.

I Have just had a 6 month struggle to get on the right contract, still no clear apology or agreement on settlement of losses. <br> <br> I have a 20 giga contract, being 5 gig day time data and 15 gig night time data, with a fixed limit of R150 on credit.<br> <br> I have used my 5 gig DAY Data which quickly demolished the R150 credit, leading to my whole line being blocked.<br> <br> I use this contract as designed, for majority night time internet access<br> <br> Despite the DAY data being depleted, as well as the extra available credit, I have a significant portion of my 15GIG NIGHT DATA still UN-used.<br> <br> CEL C is refusing to give me access to make use of my data, the volume of which was agreed to be 15 Gig data, between the hours of 00