Adi Dravidar and Tribal Welfare

Agriculture

Animal Husbandry  

Archives

Backward Classes & Most Backward Classes(III)

Backward Classes,  Most Backward Classes & Minorities Welfare

Birth & Death Certificate  Issual

Chennai Corporation

Chennai Metropolitan Water Supply & Sewerage Board

Chennai Metropolitan Development Authority (CMDA)

Civil Supplies

Commercial Tax

Collegiate Education

Co-operation Food & Consumer Protection

Employment and Training - Employment Wing

Employment and Training - Training Wing

Energy (Tamil Nadu Electricity Board)

Energy (Tamil Nadu Energy Development Agency)  

Finance Department- Pensions & Other Retirement Benefits

Finance Department- Small Savings Scheme  

Fisheries  

Forensic Sciences

Forests

Geology and Mining

Handlooms and Textiles  

Health and Family Welfare

Highways

Hindu Religious and Charitable Endowments  

Information and Public Relations

Information and Tourism

Information Technology  

Institute for Water Studies

Irrigation

Labour & Employment

Metro Water

Municipal Administration : Water Supply, Building  Licence, Name Transfer, etc.

Planning  and  Development (State Planning Commission)

Public Works Department (Buildings Organisation)

Public Works Department (Water Resource Organisation)

Registration

Rehabilitation of the Disabled Directorate 

Revenue

Rural Development

Sericulture

Small Industries

Small Industries Development Corporation - Schemes

Social Welfare and Nutritious Meal Programme

Sports Development Authority Of Tamil Nadu

State Industries Promotion Corporation of Tamil Nadu Limited (SIPCOT)  

State Transport Authority

 Sugar

 Stationery and Printing Department

Tamil Nadu Adi-Dravidar Housing Development Corporation (TAHDCO)  

 Tamil Nadu Backward Classes and Minorities Economic
 Development Corporation

 Tamil Nadu Cements Corporation Ltd.

 Tamil Nadu Coop. Housing Federation

 Tamil Nadu Coop. Milk Producers Federation Ltd.

 Tamil Nadu Electricity Board

 Tamil Nadu Fisheries Development Corporation Ltd.

 Tamil Nadu Housing Board

 Tamil Nadu Industries Investment Corporation

 Tamil Nadu Integrated Nutrition Project

 Tamil Nadu Magnesite Limited

 Tamil Nadu Minerals Limited

 Tamil Nadu Newsprint and Papers Limited  

 Tamil Nadu Police  

 Tamil Nadu Pollution Control Board

 Tamil Nadu Poultry Development Corporation

 Tamil Nadu Salt Corporation Limited

Tamil Nadu Slum Clearance Board

 Tamil Nadu Veterinary and Animal Sciences University

 Tamil Nadu Water and Drainage Board - Rain Water Harvesting

Tamil Nadu Wakf Board  

 Targeted Public Distribution System

 Tourism

 Town and Country Planning Department

 Town Panchayats Directorate (DTP)

 Transport