5 weeks later and still no answer on a R1000 extra

Vodacom don't respond to a query about R1000 extra on my account. <br> I've let them know in advance, then they deducted the money any case. <br> Now 5 weeks later they are taking my money again. <br> If I cancel the debit order, all my lines will be stopped, and I cannot afford that. <br> <br> Rediculous service in a third world country.