Dr. Rohan D’Souza is Assistant Professor at the Centre for Studies in Science Policy, Jawaharlal Nehru University, New Delhi. He was awarded his PhD from the Centre for Historical Studies at Jawaharlal Nehru University. He has worked on the technology of hydraulic manipulation in the Indian subcontinent. His recent publication includes Drowned and Dammed: Colonial Capitalism and Flood control in Eastern India (1803-1946), Oxford University Press, New Delhi, 2006. His publications and concerns range from issues dealing with environmental history, the political economy of nature conservation and history of technology. He has held postdoctoral fellowships at Yale University, University of California (Berkeley) and was a Senior Research Associate at the Centre for World Environmental History, University of Sussex.