I bought a micromax Canvas HD.android 4.1.2 jelly bean last 20 days back . after 7 days I have a screen flickering problem . so is that a main issue ?? i want to know that, is the problem of hardware or software ??? or if it is the software problem. how to get rid of this problem ??
I disable the HW overlays under the developer options and also disable the auto brightness. but it still remains flickering. it feels very annoying.

what is the issue?? is it the software or the hardware ?? anybody hav the same problem ?? is anybody come over it then please tell me how to stop the screen blinking..