Powerful irrigation and drainage platforms are crucial if transforming into calls for for water assets are to be met. For using water for irrigation to be stronger we needs to comprehend present degrees of functionality. This booklet attracts jointly the becoming physique of data on irrigation and drainage functionality evaluate that has been won during the last two decades. It presents directions for practitioners to let them to layout and perform functionality overview and enforce performance-based administration. constructed through a operating staff of the foreign fee on Irrigation and Drainage (ICID) it presents a ordinary framework for functionality overview with information at the idea and perform of the way to audit and verify the functionality of irrigation and drainage schemes.