Head of any government department should not be allowed to hold the post for prolonged time, as it may give him chance to establish friendly relationship with the subordinates to coverup his wrongdoings. It may give him time to spread the corruption in lower cadres as well as other functions. People of the society too gets afraid of the fact that official staying longer time in one post, may harm their individual interest directly or indirectly, and they can not complaint against such officials under a threat. || 2-9-33,34,35 ||