THE CHAIRMAN TAMIL NADU POLLUTION CONTROL BOARD
THE CORPORATION COMMISSIONER AVADI MUNICIPAL CORPORATION OFFICE
THE DISTRICT COLLECTOR TIRUVALLUR DISTRICT
THE SECRETARY TO GOVT. OF TAMIL NADU PUBLIC WORKS DEPARTMENT
THE SECRETARY TO GOVT. OF TAMIL NADU DEPARTMENT OF ENVIRONMENT & FORESTS
THE ADDITIONAL CHIEF SECRETARY TO GOVT. OF TAMILNADU
REVENUE AND DISASTER MANAGEMENT DEPARTMENT