Boult Audio — Fraud from boult audio and shadowfax

Address: Exotic Mile, 1st Floor, B-67, Wazirpur Industrial Area, New Delhi, Delhi 110052

I ordered boult audio curve from amazon After 5 months one side of earphone stopped working. i Complaint it on company website boult at email id [protected]@boultaudio.com With raised a complaint with complain id sayed ticket id 00149342, they said that your order will be replaced or repaired and raised a pickup and said pickup will be in 2 days but the pickup done in 10th day.
And Give the Tracking id with https://shiprocket.co/tracking/R89302921KR the pickup is done sucessfully but after 17th day the company said that the received a wrong product of other company.
I called the couirer company didn't get any help, i asked boult audio they said ask couirer company. now what should i do, I am not getting any help from any one.