Professor M P Jain (1923-2004), a gold medallist from University of Delhi, and J.S.D from Yale Law School, USA had an extensive teaching experience of nearly five decades. He taught at several universities such as Banaras Hindu University and University of Delhi in India, as well as others in Malaysia, Singapore and Australia. He has authored various books, markedly, Indian Constitutional Law, Principles of Administrative Law, Outlines of Indian Legal History and Halsbury’s Laws of India: Administrative Law.