Open Access is useful to freely access all the published articles in online. Everyone can easily get the information on their required subject and gain knowledge regarding the subject; it helps student as well as the developing countries to grow scientifically. Copyright holders as well as authors are allowing the users to access the published articles without any restrictions. Users can download or print the published manuscripts at any time freely on their requirement. These articles published can be access throughout the world. Open Access publishes each and every manuscript that is having unique content from all other manuscripts only.