No Feedback, absolutely nothing

I went into the bank to increase my CC limit on Friday the 16th of Aug. After I met with the bank I received an sms where I had to upload documents. On the same day I received an email from Nedbank rejecting the format of my documentation. On the same day I sent through my documentation again with a different format. I mailed again on the 27th of Aug. Then finally I mailed on the 30th of Aug asking for feedback. It takes Nedbank 3 weeks and still counting to give me ant sort of feedback, this after I have gone into the bank and send 4 emails - yet here I am the "client" still waiting. I do not care if it was declined or approved, I care that nothing has been done with no feedbank - is this what we can expect from Nedbank?!