Production planning and control system for any company can be copaired with the nervous system of a human being as the nevous system control every activity of the body production planning and control system of a company control every activity of the company. so it is nessary to have the company a good production planning and control system inorder to stay in the compititive market of today and inorder to be profitable. it is necessary to have a good knowlage of production planning and control module, to achieve this objective and to understand each parameter/module in production planning and control system this work will help every body by giving a clear clarification of each module and a practical example how the module/parameters are implimanted in a practical situation. so it is wise to read this book inorder to understand production planning and control system and know how it is implimented in the factory.