Shimla: The National Hydroelectric Power Corporation (NHPC) has submitted an action plan to the state pollution control board for carrying out various protection works and stabilisation of muck dumping sites for restoring the damage caused to environment. The board had last week ordered suspension of the work on the 800-MW stage-II of the Parbati project until the damages was restored and dumping sites were stabilised. The contractors executing the works had not been adhering to the environment management plan and debris was being dumped in an unscientific manner. The board had provided photographic evidence of the damage being caused to environment due to improper disposal of muck. As per the plan submitted by the corporation, the stabilisation and protection work for three dumping sites near the dam site and two at the power house will be completed by July, 2009. Director (projects) JK Sharma said repair and rectification work was in full swing and the executive director was personally monitoring the progress. Member secretary of the board Nagin Nanda said the plan had been received and a decision regarding allowing the corporation to resume work would be taken only after thoroughly examining it and taking into consideration the ground realities at the site of the project.