You can use AVRO Keyboard to do this. AVRO supports unicode language. It is open sources. So can easily download this from OmicronLab. They say, Avro Keyboard was born in the 26th March, 2003 (The Independence Day of Bangladesh), bringing a new era in Bangla computing. It's flexible, gorgeous, feature rich, totally customizable, user friendly and already has a lot of typing automation tools that you have never imagined! Avro Keyboard, simply the Best Bangla Typing Software, breaks all old records, wipes out obstacles, rewrites history and recreates tradition!
Install and enjoy Writing Bangla.
