Pickrrtechnologies / Zopstore.in — wrong product delivered - replacement or refund needed

Address:	31, Manoranjitham Nagar, Vengikkal, Tiruvannamalai, Tamil Nadu, 606604
Website:	zopstore.in

I saw an advertisement regarding fusion5 tablet pc on offer in facebook page. I ordered fusion 5 11.6 4g tablet pc on 02.08.2019 through online. Product delivered through delivery_air.
Only shipping address mentioned in waybill.
I[censored]n delivered return to atradesolution / quetailshop - contact number [protected] without address and gst bill.
Without knowing the company address, how can i replace the product or get refund my amount?
Reference id : 6863
Order id :
Tracking id :[protected]
Order date : 02.08.2019
Amount given rs. 2449/- cash to delivery boy today 05.08.2019.
Either the company will replace the actual product or refund my paid amount.