Boult Audio — How do I avail my warranty service

Address:

Hno 1-1-65/2,near panchamukhi hanuman tenple,vinayaknagar,nizamabad,telanagana state,pincode:503003

I purchased boult airbass musebuds from amazon on 16th oct 2020...but now one of the headphone(rightside) is not working...even it is not getting charged even after placing them in the charging case...how do i avail my warranty service...???please help.