No feedback after complaining about their service.

I would like to express that since my complaint was logged and acknowledged, I have not received any feedback nor any advice from any of their representatives, no reference number for my complaint no call, not even a missed call.

I was shocked to receive an email, saying that I should rate the service and the way how my complaint was handled. No, handler has called me or even email me back, which is insane and none of my queries were attended to not even an attempt to a resolution or a was forward.