Many big projects sometimes do not see the light of success because of lack of knowledge, skills and improper management of time, money and resources. To avoid doing such mistakes we must understand the reason behind the mistakes and find out ways to prevent them from repeating them in future. To know more about these mistakes and how to avoid them, kindly refer to the below mentioned link:-http://www.cio.com/article/717321/12_Common_Project_Management_Mistakes_and_How_to_Avoid_Them