Cashbackkart.com — I received duplicate mobile, refund my amount

Address:

Paluvayi Post, Rentachintala M.D, Guntur District-522421., Guntur, Andhra Pradesh, 522421

Respected sir,
Subject: refund amt.
My name: peddoju rajkumar
My city: macherla
My state: andhra pradesh
My complaint against: cashbackkart
Complaint category: online shopping
Claim amount (Approx.): 599 rs.

My complaint description:

I ordered for a samsung fone e1200 on 30/04/2019, i received a used and another company mobile, so i want not this fone, i want my refund amt 599 rs. Request to you that please return my fund,

My upi id : [protected]@oksbi