is a branch of public law which is concerned with the composition powers duties rights and liabilities of the various organ of Government which are engaged in public administration. In framing this definition powers rather than rights and liabilities are of primary importance. So administrative law is first and foremost concerned with the discretion which normally accompanies the grant of power.
Austin regarded Administrative Law as determining the ends and modes to and in which the sovereign powers shall be exercised.
They shall be exercised:
1) directly by the monarch or sovereign member or
2) directly by the subordinate political superiors to whom portions of those are delegated or committed in trust.
gave Administrative Law as one of his six divisions of public law, the first was constitutional law as dealing with structure the secondAdministrative Law as being concerned with function.
defines Administrative Law as follows:
Administrative Law is the law relating to the Administration. It determines the organization powers and duties of administration authorities.
in his An introduction to American Administrative Law 1985 defines administration law as the law applicable to those administrative agencies which posses powers of delegated legislation and or ad judicatory authority.
in his Administrative Law 1951 defines it as the law concerning the powers and procedure of administrative agencies.
Wade and Philips
defines it as the law relating to the organization and service performed by the various administrative agencies of government. It deals with the powers of all such bodies and determines their rights and duties.
In particular Administrative Law is the law which governs the relation between the State and the individual.
Recording his assessment of Administrative Law, Dicey said that it is the law which determines:
a) the position and liabilities of all State officials
b) the civil rights and liabilities of private individuals in their dealings with officials as representatives of the State and
c) the procedure by which these rights and liabilities are enforced.