Micromax Mobiles — after going lot of time to service centre mobile stil not working

Address:

Bikaner, Rajasthan

From 4-01-15 my micro max mobile A120 colors not working properly some time dual Sim was not working, some time data connection not working etc. 4 times continuously for 3 month from Jan to apil my phone is under the service center at bikaner. now the mobile set also changed (as service center person told), bit problem is occurring same. Now i don't want to submit my phone to service center. my phone is under guaranty period. I request to you to please provide refund of my mobile money and some charge also taken from the company for their very poor performance.