Micromax Mobiles — Not response about my dead phone

Address:

Ahmedabad, Gujarat, 382440

I have purchased Q392 micromax mobile from mehta agency ahmedabad on dated 12-09-15.But phone is hanged every time..During phone calling phone is hanged and automatically its dead.i submitte my phone at m/s sai infotech ahmedabad gujafat for repairing they submitte my phone and after 3 hours they called me and talled me your betrry is leckage so we dond replace it..so Take a nessecerry action about this..