Frustrating Service

I app**** for a credit card online on 13th dec, it was provisionally approved and was asked to send a copy of my id. I did that and 2 weeks passed without any feedback, i went into the branch and was put on the phone with that department but instead i was told my application was pending my 3months bank statement. I complained and was promised a ref no later on but till today i never received it. Decided to apply for a loan instead that same day as i needed the money and their system offered me a consolidation loan and i took it. I regret taking that decision because i now decided to check if my 2 loans were consolidated by nedbank but it turned out only 1 loan was paid but the other 1 not. Went in there told the consultant that the other loan is not paid meaning i'm gonna be debited by them plus that loan that was supposed to be paid but its not. She promised to check it and call me later but i didnt receive a call nor a visit (i work just 2 shops away from them) the following day (17th Jan) i phone their loans department to check they tell me they dont know why its not paid they can only assist by sending me the consolidation letter on monday (20th Jan) only. Monday morning both the debit orders went off (theirs and the other loan) i went back to complain to the manager and was told they gonna investigate and i'll get feedback as soon as possible and that i must understand that its not their branch's mistake but they will follow up. I got the email the following day informing me that the consolidation letter has been requested. Its now sat (25th Jan) nobody called me, my other loan is still not paid. What is the point of taking a consolidation loan if the other loan is not paid? Now i'm being charged interest for money i only signed for but didnt receive.