G.L. Karia, M.E. (Environmental Engineering), is former Assistant Professor, Department of Civil Engineering, S.V. National Institute of Technology, Surat. Currently he is working as a Senior Technical Consultant with Sapient Techno Consultants, Surat. He has about thirty years of teaching experience. Professor Karia has been a Senior Research Fellow at National Environmental Engineering Research Institute (NEERI), Nagpur and Technical Advisor at Civen Constructions, Nagpur. He is a life member of several professional bodies.
R.A. CHRISTIAN, Ph.D., is Associate Professor, Department of Civil Engineering, S.V. National Institute of Technology, Surat. He has about twenty-five years of teaching experience. Dr. Christian is associated with several professional bodies. He is also holding administrative position at S.V. National Institute of Technology.