Olx India — un working product

Address:

CHENPUR ROAD, Ahmedabad, Gujarat, 382480

That dealer sended me un working phone without bill and now he is avoiding my calls and didn't give me replacement, and he just making fool, and now is just stop picking my calls and unseen my all messages he sended me the fake product, and i ordered black colour and he sended me golden and that golden is also not working.. He said their is a warranty on a phone for a 6 months and i called him so many times but he didn't picked up