THE SECRETARY TO GOVT. OF TAMILNADU DEPARTMENT OF ENVIRONMENT
THE DISTRICT COLLECTOR CHENNAI
THE CHAIRMAN TAMILNADU POLLUTION CONTROL BOARD
THE SECRETARY TO GOVT. OF TAMILNADU HEALTH & FAMILY WELFARE DEPARTMENT
THE REGIONAL DEPUTY COMMISSIONER (SOUTH) GREATER CHENNAI CORPORATION
THE GOVERNMENT OF TAMILNADU REP BY ITS CHIEF SECRETARY
THE SECRETARY TO GOVT. OF TAMILNADU MUNICIPAL ADMINISTRATION & WATER SUPPLY DEPARTMENT
THE COMMISSIONER GREATER CHENNAI CORPORATION