This plugin enables Google Transliteration in wordpress comment form. So your blog readers can leave comments in Kannada script without the need of any other input engines. This is a great step to encourage people to write comments in Kannada language in your Kannada blog. This plugin adds a transliteration controller at the top of comment form. You can change the place of Transliteration controller in plugin options page. Users can click on the transliterate switch or press Ctrl+G to toggle between English and Kannada input languages. Site admins can change default input language in WordPress Settings > Kannada Comment.
You can see the demo of this plugin on this page itself! Scroll down and write a comment!