To get malayalam support in ibus , run the following command
sudo apt-get install ibus ibus-m17n m17n-db m17n-contrib ibus-gtk
not only for malayalam but several other like Hindi,urdu....
sudo apt-get install ibus ibus-m17n m17n-db m17n-contrib ibus-gtk
not only for malayalam but several other like Hindi,urdu....