From Manuka Software Solutions:
Empower your PC with Lipikaar Bengali Typing Software: Lipikaar is a typing method which allows users to type in Bengali using a regular English keyboard. Does not require the user to be fluent in English. No keyboard sticker required. Lipikaar is based on simple rules which allow you to type words accurately. With Lipikaar, even the most complicated Bengali word can be typed effortlessly in seconds. Unlike transliteration, Lipikaar gives users complete control over typing. Designed for professional use, Lipikaar is a patented solution & based on Unicode (universal standard for representing text in different scripts). Lipikaar can be used with all Windows Desktop Applications (which support Unicode) including MS Word, Excel, Powerpoint, Internet Explorer. Now send & receive emails, create documents in Bengali.