Hydro-power projects are generally categorized in two segments— small and large. The 2,000 MW project is being developed by NHPC in Garukamukh, at a cost of approximately $2 billion and height of the dam is 116 metre. But North-east India has a complicated geology and the lower Subansiri is situated in the seismic zone ‘V’. So large dam is not suitable for this region as they may fail during an earthquake. River Subansiri has been created tremendous devastation in the riparian villages by its natural flood. So small hydro–power projects are preferable than big projects. All the projects will have downstream impacts. So, NHPC or sensible state should reconsider their plans before it is too late.
River Subansiri, Flood, Devastation, Dam, Impacts, Riparian villages
