Abstract
Public administration involves the performance of administrative justice and adjudication process which are the powers that are inherent to the office of a public administrator. In carrying out this administrative function, the law requires that due process should be observed in all administrative adjudication procedures. Other than this rule, administrators are given the discretionary power on how they may carry out the investigation process in order to help them perform their adjudicatory functions more efficiently. This paper will discuss about the essence of due process and hearing in public administration and to differentiate the rule making procedure and adjudicatory procedure ...