Rain is just a **** - queries sent not answered

About 2 months ago, I ordered a rain sim card which was delivered within a week. However, since then I have been unable to connect to the internet using their card. Reported this issue and was told its because of a poor network connection in my work area but this should not be a problem at my residential address. Unfortunately, that also never worked. Reported this again and since then all my queries and complaints to date not answered. Dissapointing my account is still debited for a service I am not receiving. I have written to Rain at the end of April to ask them to deactivate my account and until now this query has not be responded to despite an email sent to say someone will call me to assist. Wrote to them twice and on numerous occasions on Facebook. Instead they keep on promising that my issue is being attended to and someone will call me. 15 days later that also has not happened. Rain is just a **** because no phones or emails are answered. They are quick to debit money for a service not delivered.