Dear Reader, This book based on Human resource management by Computer software.Human Resource is the most precious resource of an organization. It is also called backbone of any organization. Human resource management (HRM) is the only responsible factor ensuring that the right people are available at the right place and at the right time to execute corporate plans with the highest level of quality. Computerized Systems are being used to this effect in a big way. This book include a system for calculate performance appraisal of employee by a mathematical model and maintain attendance, salary and leave by IRIS Biometric system.