1.Introduction.- 2. Damodar Valley Region.- 3. Floods and Water Resource Management in a Tropical River, the Damodar.- 4. The Reservoired Lower Damodar: Hydro-Geomorphic Perspective.- 5. Colonization Processes in the Damodar Riverbed.- 6. Controlled Lower Damodar: Social Perspective.- 7. The Controlled Lower Damodar: A Product of Hydrogeomorphic and Anthropogenic Processes.- 8. Towards Better Interaction.- References.- APPENDIX I. Model questionnaire of perception survey.- APPENDIX II. List of reference maps.- APPENDIX III. Hydrological observation.- APPENDIX IV. Information about Maithon and Panchet Project.-APPENDIX V. Streamflow of the Damodar River at Rhondia.- APPENDIX VI. Streamflow of the Damodar River at Damodar Bridge Site.- APPENDIX VII. Inflow into Durgapur Barrage and canal consumption.- APPENDIX VIII. Volume of water released down the Durgapur Barrage and canals.- APPENDIX IX. Combined moderation by Maithon and Panchet dams of the Damodar River.- APPENDIX X. Peak flow of the Damodar River, Rhondia.- APPENDIX XI. Average monsoon discharge and suspended sediment of Damodar at Damodar Bridge Site.- APPENDIX XII. GIS as a toolbox for flood, water & land resource planners.