Flipkart — Product not delivering even after the due date.

Address:

Kiliyankunnathu house, Mullaringadu P.O., Iduki district kerala state-685607

LHik Vision 2MP HD 8 CHANNAL DVR DS-HGHI-F1 & 3Pcs DOME 1080p DS-COT-IRP 5Pcs BULLET 1080p DS-COT-IRP Camera COMBO KIT Security Camera (1 TB, 8 Channel).
cctv camera set not delivered. The due date was on 10/09/2021 and not yet delivered. I have already arranged a technician for installation on today the 11/09/21 since the product was not delivered i had pay his call out fees for nothing.
In the notification page its now showing pin code miss matching. But this is completely wrong. I have entered the pin code correctly and checked the availability.
I have already ordered fridge from flipkart few months ago and it was delivered correctly.