bootloop issue on my device I have rooted my android and installed succesfully custom recovery twrp zip through flashify.
Then tried to install custom rom but my device is now damaged totally, its is now getting on/off on its own and device is not starting only screen with lenovo androis is seen for now.
Did you try flashing the ROM again? It's possible that bootloop problems occur if you've not flashed the ROM properly or if you flashed the wrong one.
Check of the ROM is really compatible with your phone. If it is then check if there's something wrong with the ROM file. Maybe it might not have been downloaded completely or is corrupt.
Also try flashing the superSU again.