You will now be able to send emails in the language of your choice - Hindi, Tamil, Telugu, Kannada and Malayalam through Gmail. Google India has introduced new feature - Indic Language transliteration on Gmail and Google Apps that facilitates typing and sending in Indian languages.
The "transliteration" feature allows Gmail users to type in the local languages, using an English language keyboard. Currently, Gmail supports 5 Indian languages, including Hindi, Tamil, Telugu, Kannada, and Malayalam. The language of your can be selected from the drop-down list next to the icon.