Biraj Karmakar is an Open Source Evangelist and Entrepreneur by profession . He has been contributing in various open source projects Mozilla, Duckduckgo, Vlc, Django since last six years. He is full time freelance Bengali Localizer. He has been invited many times for giving talk session regarding Open Source around in India as well as in the world. He is keenly interested to learn new things everyday. He loves to chant Hare Krishna.