Myntra.com — product ordered 6 days before and on asking cce they disconnect call

I ordered this product on 24th december with - order no:[protected]-8505101. The site is saying my product would be delivered on 30th december from last 3 days its in same city but they are not delivering my product, when i tried contacting cce they disconnected my call and somehow blocked me calling them again. No one updated me about my order, i was expecting it today because i had to bring it tomorrow and they are asking me to wait for another 5-6 days and they are not even sure about it. I am feeling cheated and they behaved very rudely.