Human resource requirements an enterprise will have to plan in advance its needs and the sources. The terms human resource planning and manpower planning are generally used interchangeably. Human resource planning is not a substitute for manpower planning.
Human resources planning are the important managerial function. It ensures the right type of people, in the right number, at the right time and place, who are trained and motivated to do the right kind of work at the right time, there is generally a shortage of suitable persons.