Flipkart — why my order is delayed??..please relpy ASAP

Address:

Kanpur, Uttar Pradesh

I ordered Redmi Note 4G on 19th Apr'15(approx. a week ago) from flipkart.com, my order ID is OD[protected] and my firstflight tracking number is D991Q2721501, Delivery expected by Thu, 23rd Apr'15 Its still not delivered neither any updates are there regarding so..please tell what the hell is going on with my order..Why my order is soo delayed??..I have ALREADY PAID the money through debit card at the time of order because the Cash-On-Delivery was not available in my city(kanpur)..I need an URGENT REPLY..so please reply ASAP..thanks.