Uninstalled system keyboard I rooted my phone and uninstalled keyboard application without  backup.. Now i removed my root. I need keyboard. My phone is galaxy star pro. Android version 4.1.2. Help me.
Try:

1) You can install gapps for your model if available. 
2) https://play.google.com/store/apps/details?id=com.jlsoft.inputmethod.latin.jelly.free 
3) http://google-keyboard.en.softonic.com/android