billing from wrong acc

Nedbank collections dep deducted an amount of 1300 from wrong acc number, which i never agreed on. I spoke to a lady called Lebo (team leader ) she promised to investigate and call back and she never did. When i call her she is always not willing to talk to me or return my calls. I am the one who always calling them.<br> An there is no solution. I went to cosmo city and northgate branched they show me the phone.<br> <br> <br> <br> <br> <br>