Tools he has developed which you are most probably looking for
You can find his online devanagiri keyboard (Indian Lanuage tools) here
The unofficial online wikipedia Indian language sandbox
The Indian language mail interface.
And the most widely used/abused Transliteration Tool
It transliterates devanagiri (Hindi, Marathi et. al) to 8 Indian Languages viz.
Gujarati, Punjabi, Bengali, Tamil, Malayalam, Kanada, Telegu, and most importantly Urdu.