PRADIP KUMAR SARKAR, Ph.D., is Professor and Former Head, Department of Transport Planning, School of Planning and Architecture, New Delhi. Also, he is the Vice-President of the Institute of Urban Transport, India. He is presently engaged in teaching, research and consulting work in the area of Transport Planning. He is an active member of various technical committees of the national importance. Besides this, he has written two books on Transport Economics and Sustainable Transport System and contributed more than 110 papers published at national and international levels.
AMIT KUMAR JAIN [(Ph.D.), School of Planning and Architecture, Delhi] is presently posted as Officer on Special Duty in Railway Board, Ministry of Railways. The gold medalist from IIT Roorkee, he is an Indian Railway Traffic Service Officer (Civil Services 2000 batch). Having worked in different capacities with Indian Railways and Delhi Metro Rail Corporation, Mr. Jain has an extensive experience of rail-based transportation systems. He has contributed many articles and papers on railways and urban transportation systems at national and international levels.