The Tashiding HEP located in West Sikkim envisages the utilization of the flow of Rathong Chhu a tributary of Rangit River for the generation of electric power. Based on the findings of the Environmental Impact Assessment study, various
Environmental Management Plans viz. Catchment Area Treatment, Biodiversity Conservation & Management, Public Health Delivery System, Fisheries Development, Relocation & Rehabilitation of Dumping Sites, Landscaping and Restoration of Construction Area, Creation of Green Belt, etc. have been proposed. In order to monitor the impact and efficacy of these plans a number of parameters have been proposed during and after the completion of the management plans.