Consumer Redressal

sir,i have purchased micromax mobile which is getting switched off again and again for which i went to its service center four times for the same problem,even then my problem is not solved.Also they have sent my mobile to head office delhi for 13 days.i am tensed for this and iam struggling for this from last 2 months and still my problem is not solved.the service center people are not giving the correct information what is the problem in my mobile and whether my mobile was actually send to head office delhi for repair.sir please help me to solve my problem.i will be very thankful to you.