He received his B.S., and M.S. degree, and his Ph.D. in geology from the University of Calcutta and his M.S. degree in environmental resource management and his M.E. degree in computer engineering from the University of South Carolina. His areas of expertise include environmental information and decision support systems, natural resources, environmental impact assessment, and management plan.Arup K. Mitra is a professor of geology at the University of Calcutta and acted as head of the department during 1999–2001. He received his Ph.D. from the University of Calcutta, and his present research interests are in the fields of environmental geology and hydrogeology using remote sensing and geographic information system.