Tech Connect Retail Pvt Ltd — sent me wrong product

Address:	Kangra, Himachal Pradesh, 176057
Website:	Flipkart

I placed an order of asus tuf core i7 laptop worth rupees 72, 990 on 20th jan 2019
From flipkart along with extended warranty of rupees 2, 299 through order number od[protected] but they delivered me piece of bloody scrap an acer laptop worth 13999 which was ordered by someone else with order number od[protected] also ordered on same date i. E 20th jan frim the same seller.
My invoice number was fabyy[protected] and his invoice number was the proceeding one i. E fabyy[protected].
The label on the delivery box was with my name but the bill and product that got delivered to me belongs to someone else.
Kindly help me to the right product delivered and help me to resolve all this immediately as soon as possible.