Allhitbazaar.com — Product not working ;asked for return but no replies

Address:

Jaipur, Rajasthan

I bought a10400mah mi power bank but it was not working so I applied to return itn they emailed me that their vendor will be here to collect it within 7-8days..it is been d 16-17days and they don't even care to respond...sobai want u to take immediate action against it and let my money back to me. Firstly they r supplying unworthy product and secondly they r not taking it back.