Lot is happening over open source. It is becoming palatable to the common man apart from the hardcore technologist. Look at some open source products like Ubuntu and Libre Office. They are finished so professional with ease in implementation and use. This is a presentation for the Chartered Accountant Members of the J B Nagar Study Circle of the ICAI. Idea is to educate them with the pros and cons of the open source as well as some part of licensing laws like copyright law.