Micromax mobile
Track ball is not working

I Ranjeet kumar, Contact no. 9873773693, email&[email protected],

purchase a Handset Micromax Q5

on 8-10-10, From mehta mobile, Gurgoan,

IT'S IMEI NO. ARE &910535602460895 AND 91053560970968,

Handset's track ball is not working, on contact service center, they are not attending problem.

Please Help me