Micromax — Not proper service

Address:	Namakkal, Tamil Nadu, 6374001
Website:	micromaxinfo.com

I'm suthakar I'm using micromax e455 phone I was bought on mobile Rs. 11500on 30.11.2015, the mobile was lot of problems battery problem, display color automatically changed, touch pad problem. I'm going to local micromax service center but not responding to me and also many times I contact to micromax head office they are also not responding me. I was suffered mental pressure, refund money or replace the device quickly. I have warranty but no response