What are main function of hr managenent?

What are main function of hr managenent?
Human Resource Management functions may be briefly described as:
1. Manpower Planning: The HR considers the actual requirement of the staff for the organization. Because the overstaffing is wasteful and expensive, and understaffing leads to loses of the organization economics and profits.
2. Employee selection: Selection of employees for the suitable job.
3. Employees motivating: Motivating employees and encourage them to give their best in work productivity. Providing financial rewards to the staff.
4. Employees relation: Keeping a healthy relationship with the employees and their problems are redressed.
5. Payroll module: Payment of salaries and wages to the workers at the proper time.