Need for human resource planning:
Every organization has to plan for human resource due to:
1 the storage of certain categories of employees and\or variety of skills despite the problem of unemployment.
2 the rapid changes in technology, marketing, management etc and the consequent need for new skills and news categories of employees.
3 the changes in organization design and structure affecting man power demand.
4 the demographic changes like the changing profile of the work force in terms age, sex, education etc.
5 the government policies in respect to reservation, child labour, working conditions, etc.
6 the labour laws affecting the demand for and supply of labour.
7 pressure from trade unions, politicians, sons of the soil etc.
8 introductions of computers robots etc.
9 the involvement of lead time in manning the job with most suitable candidate.