Boult Audio — boult audio probass sonic earphones

I have purchased boult audio earphones from flipkart on 30 may 2019 and it has stopped working on 28 june 2019. It has undergone no damage but still has stopped working. My product comes under warranty of one year and i have the bill and the warranty card available with me. I want to claim my warranty and he my earphones repaired as soon as possible. Please do the needful as soon as possible.