Amazon India — boat rockerz 235 z fast charging wireless bluetooth of boat brand from amazon (amazon.in) with warranty of 1 year.

I had purchased a new headphones (Boat rockerz 235z fast charging wireless blutooth of boat brand from amazon (Amazon.in) with warranty of 1 year. After a usage during which the period to return in amazon is completed, the button stopped working while switching off the earphone button.

Now its showing the shipment status as whhandover on the site.

Shipping id :[protected]

My email id : [protected]@gmail.com

Purchasing date of the product : 20/02/2020

I raised a complaint (Complaint ticket number [#1163306] on 13th june 2020) with the boat brand selling in india with name
(Imagine marketing private limited) located at :
131, guru gobind singh industrial estate, next to jay coach, off w. E. Highway,
Goregaon (E), mumbai - 400 063. India

Phone: +[protected] / 42102409 / 42102403
Email: [protected]@imaginemarketingindia.com

And have been sending emails since then, but they are not responding and are not taking any action either.

Please help me get a replacement or a refund.