M P Jain Principles of Administrative Law Enlarged

Administrative Law has grown and developed tremendously, in quantity, quality and relative significance; that it has become more articulate and definite as a system in democratic countries; that it has assumed a more recognisable form in the present century so much so that it has come to be identified as a branch of public law by itself, distinct and separated from constitutional law, a fit subject-matter of independent study and investigation in its own right.

— Authors