Google Chrome, the web browser from Google, is available in Indian languages, including Malayalam. Initially you may find it a bit difficult to use it due to funny translation of English words but it's worth a try.
For other languages, go to http://www.google.com/chrome, select the language from the box in the top-right of the page and download the file.
For other languages, go to http://www.google.com/chrome, select the language from the box in the top-right of the page and download the file.