The term has a variety of meanings in several fields. In political science, centralisation refers to the concentration of a government's power – both geographically and politically – into a centralised government.
Centralisation of authority is defined as the systematic and consistent concentration of authority at a central point or in a person within the organization. This idea was first introduced in the Qin Dynasty of China. The Qin government was highly bureaucratic and was administered by a hierarchy of officials, all serving the First Emperor, Qin Shi Huang. The Qin Dynasty practiced all the things that Han Feizi taught, allowing Qin Shi Huang to own and control all his territories, including those conquered from other countries. Zheng and his advisers ended feudalism in China by setting up new laws and regulations under a centralised and bureaucratic government with a rigid centralisation of authority. Under this system, both the military and government thrived. This was because talented individuals were more easily identified and picked out to be trained for specialised functions.
The acts for the implementation are needed after delegation. Therefore, the authority for taking the decisions can be spread with the help of the delegation of the authority.
The centralisation of the authority can be done immediately, if complete concentration is given at the decision-making stage for any position. The centralisation can be done with a position or at a level in an organisation. Ideally, the decision-making power is held by few hands individuals.
Centralisation of authority has several advantages and disadvantages. The benefits include: