micromax canvas a1 screen blackout problem

[AC Question]

m using micromax canvas a1 n it got automatically switched off n now i can't switch it on... wat is the problem? plz help me how to switch it on back.. screen became totally blackout

 

[B. Diddy]

Welcome to Android Central! Can you tell if the phone itself is on? The 3 main possibilities are that the screen failed, the battery failed, or the motherboard failed. If you're able to, try a new battery. Otherwise, you'll probably have to bring it to a repair shop.