The correct answer is (c). The Directorate of Census Operations Tamil Nadu is a state government agency responsible for conducting the census in Tamil Nadu. The agency is headed by a Director of Census Operations, who is appointed by the State Government. The Directorate of Census Operations Tamil Nadu is responsible for planning, organizing, and conducting the census in Tamil Nadu. The agency also collects and compiles data from the census, and publishes reports on the findings of the census.
The other options are incorrect. The State Government is responsible for providing overall direction to the Directorate of Census Operations Tamil Nadu. The District Collectors are responsible for implementing the census in their respective districts. The Municipal Corporations are responsible for providing logistical support to the Directorate of Census Operations Tamil Nadu.