Noise — noise tune elite

I had purchased my tune elite on 14th september 2019, it was quite good but after 1 month its left earbud was not working. I registered a complaint on the noise customer care on the website but no response of the complaint was given.
I bought one more noise tune elite and same issue was there, after some days left earbud not working. I bought it from flipkart so instantly processed the refund and returned the product.
I seem to be helpless after buying this product and no response was taken from the company.