Boat — Headphones issues

Address:

Park Avenue Apartment Flat no. 202, tulajabhawani chowk, pathardi phata, Nashik

Hello boat
Chetan Patil here,
I recently purchased boat rockerz 550
Colour = black
I have one issue about it,
My headphones left side is not working properly
So plz help me as soon as possible
I also have warranty card
How can i claim it
Last few days I am trying to communicate with your
costumer care services
[protected]@gmail.com
This is my email ID