Imagine Marketing Private Limited — Not getting my headphone

My boot rockers headphone not working due to some sound issue in right side then I complain boot customer service.device was in wrranty.i complained at the end of march after that imagine marketing team received this device from my house.3 Jun they mailed me that device is successful reached to their location and they will revert after 4 days.after 20 th June the nailed me that my product has been dispatched and give a tracking number.when I track this 29 th june then it shows
22nd June it arrived in Kolkata after that 27th June it goes to Maharashtra for second time.then I mailed them also called several time but not getting minimum response now when I put my tracking ID it shows no data exists.what a poor radiculas service is this???