Google Transliteration software Free download! for Indian Languages Google Transliteration IME(nput Method Editor) is an input method editor which allows users to enter text in one of the supported languages using a roman keyboard.
Google Transliteration IME is currently available for 14 different languages Malayalam , Arabic, Bengali, Farsi (Persian), Greek, Gujarati, Hindi, Kannada, Marathi, Nepali, Punjabi, Tamil, Telugu and Urdu.
Download link:
http://www.google.com/ime/transliteration/ Documentaion :
http://www.google.com/ime/transliteration/help.html#installation 