[ QUOTE ] Pramod: I do have basic information about the Open source Tools, i need to clear cut information about them!!
[/ QUOTE ]I would suggest you begin your research in the Automated Testing forum. There you can get a feel for the open source tools. Beyond that you would use the world-wide-web and various search engines to locate material relevant to the goals of your article. Hopefully the goals are stated at a high-level in your outline.