Telkom Mobile ********* Financial Depletion

This is not the first time the following happens. Yet it is the second night in a row to happen and I am very jnhappy with Twlkom Mobile's ********* business manner. I have both a prepaid and contract sim. Although my night surfer data remains untouched, and even accumulate to currently 20gb, between the hours of midnight and 06:00am, Telkom Mobile not only uses and depletes any other data bundle, except my night surfer data, it also pauses my internet access which in turn forces me to up my account limit as well as buy another data bundle, which it continues to use and deplete. Please note that I had to buy a normal data bundle of 250mb at R39.95 to be able to log this complaint, although I have 20gb of night surfer data available. This is in my opinion a very sneaky, ******* and ********* way of telkom to force me to spend more money than my budget allows