Bond account service

Good day,<br> <br> This is very confusing, my sister AN Phiri, just received a rude phone call from one of your agents by the name of Lerato, telling her she should explain why we are owing R4000 in arrears and once she was told by my sister to call me as I am the one who the bank is debiting the amount from, she went historical accusing us of not communicating to each other as this is a joint account she won't call me my sister should do so.<br> <br> She was advised that you only debit R800 from my account and the rest we have been paying it of hand over the counter(which I don't understand why) however she continued to be rude to her. My sister who is AN Phiri is currently ill and would not have to take such stresses from your call centre agents.<br> <br> Please advise them or take them to a customer service training, if this is not done Nedbank will always have bad service queries. Coming to my bond account, I don't know whether we are in a circus or not. I am always in arrears although I am paying a living hell for this bond, the bond amount is growing higher than the initial loan amount I took from you. Every month its increases instead of decreasing. Please advise why I have been paying for