Myntra.com — Harassing customer in the name of customer care service

I had ordered an item from Myntra but the product was not delivered and it showed delivered. I raised a complaint regarding which was due to be resolved by 14th November which did not happen when I called on 16th November I got a response stating the issue was wrongly taken by them which is incorrect as the issue subject is correct and they raised another incident on the same. I have call recording of both the days and have called atleast 5 times for these issue which is still pending and I have wasted about 4 hours on this.