http://JUDIS.NIC.IN SUPREME COURT OF INDIA the implementation of the engineering works. After taking into account all the factors, the Tehri Dam Project is accorded environmental clearance subject to the following conditions: (A) The Project Authorities must get the safety aspects and the design of the Dam approved by the High Level Expert Committee constituted for the purpose. (B) Comprehensive Environmental Management Plans must be formulated to the satisfaction of, and got approved from, the Ministry of Environment & Forests in a time bound manner as outlined below: 3.1 Catchment Area Treatment Obligations of Tehri Hydro Development Corporation (THDC) (a) The THDC will, as per the recommendations of the Remote Sensing Applications Centre, UP, identify the critically degraded areas conforming to the "very high" and "high" erodability classification and prepare action plans by 31.12.90 for the treatment of these areas in consultation with the Government of Uttar Pradesh. (b) The action plans prepared will ensure that the catchment area treatment is completed before 31.12.1995 on the basis of detailed annual action plans. (c) The THDC will put at the disposal of the Government of Uttar Pradesh all the requisite resources annually to implement the action plans. Obligation of the Government of U.P. The Government of U.P. will cooperate in the preparation of comprehensive action plans for catchment area treatment by 31.12.1990 and to implement these action plans by 31.12.1995 with the resources provided by THDC. 3.2. Rehabilitation The THDC will, through a reputed institution, undertake a socio-economic study of the measures needed to ensure that the standard of living of the oustees is not affected due to the project. The study will be completed by 30.6.1991. The THDC will implement such recommendations as may be made by the Ministry of Environment and Forests for rehabilitation after consideration of the study report by the MEF. The rehabilitation package covering population affecting Koteshwar dam as well as those living on the rim of the reservoir and likely to be affected will be prepared before 31.3.1991. 3.3. Command Area Development The Government of U.P. will prepare a plan for command area development for the areas to be irrigated from the Tehri Project by 31.3.1991 and will implement this package by 31.3.1995. 3.4. Flora and Fauna THDC will commission a study of the flora and fauna going under submergence as well as that affected by related works in the region so that reclamation plans can be worked out along with setting up of botanical gardens. The study of flora and fauna must be completed by May, 1991 and action plan prepared thereafter to be executed before impoundment commences. 3.5. Water Quality Maintenance Page 9 of 37