Flipkart — unsatisfied with Delivery boy

Address:

Guntur, Andhra Pradesh

I Placed Order of Roccia earphones but i got faulty piece i place a replacement complaint one o[censored]r delivery boy came and he asked about the box which i got the parcel but i lost that box even he asked about invoice copy i told that it is my mail id but he told i will coordinate with my Supervisor and i let u told by 2row on the next day i got a cal from another delivery boy and way of talk that delivery boy is worst behaviour and I didn't Receive the piece what i have to do Now