Prof. Jariwala has over thirty years of teaching experience, including 26 years of postgraduate teaching. He was a Lecturer at Banaras Hindu University, Associate Professor at Indian Law Institute, New Delhi; Reader, University of Delhi; Professor, BHU; Professor, NLIU Bhopal and Emeritus Fellow of the University Grants Commission, New Delhi.

He has also held the position of Head and Dean, Faculty of Law, and Registrar of BHU. He has visited several universities in USA and UK and deeply interacted with their students and faculty. He has published over sixty articles, reviewed ten books, edited four books and authored two books. His teaching interests include Constitutional Law, Environmental Law and Law of Education. He is a member of the Environment Law Commission, Switzerland, International Council of Environmental Law, Germany, and is also on the General Council of Ram Manohar Lohiya National Law University, Lucknow.