Centralization is said to be a process where the concentration of decision making is in a few hands
As a result, all the important decision and actions at lower level are subject to the approval of top level of administration
On the oter hand, Decentralisation is a systematic delegation of authority at all levels of management
That means all of the organisations at lower level have to be concerned with authority having by the top level in order to make major decisions and setting national policies concerning the whole concern
under decentralization, local government or lower level still has authority providing by central government which may be delegated to the middle level and lower level of management