Not delivering up to promises

Good day,

Last year October I successfully app**** for a contract through Mondo.

My initial understanding was that I would get 50 min, 50SMS and 500Mb of data.

However until today, I have not received it.

First month I received R220, in December and January I only received R190.

The R220 (R190) is useless, one cannot convert this into data, one cannot load a bolt on (I have called the call centre, and it was told that I needed to wait a couple of months before I can load a recurring bolt on data) which means that I am paying 99c a MB, which means that this is being depleted so fast.

I have called the call centre, they asked me if I received the contract with the delivery, which I have not, the very helpful agent advised that she have logged a query to see if she can get hold of the contract, this ended up in a dead end.

I have send an email to complaints at MTN, to date not even an acknowledgement, or a sorry.

What should I do? Who can I escalate the matter to?