The screen has gone completely black. Otherwise the phone is working

Hey @shovanadhikary, there could be a lot of things that cause this. Follow the troubleshooting tips for your device to try to fix this. There is also helpful information in this post for more things you can try.

-Let me know if this helps.

Mi Redmi 2 mobile screen goes blank after some time.When i keep it in pocket then it goes blank.So i just flash my mobile with stock Rom so that, problem would be disappear.But, it doesn't work.So i flash with other Rom i.e. custom rom. And the problem solved.Now, mobile doesn't get blank.

Have you found any solution, i have the same problem.