Tamil Nadu Government

Public, Indian Administrative Service, Indian Police Service, Indian Forest Service, General Administration, District Revenue Officers, Police, Home, Finance, Planning, Legislative Assembly, Elections and Passports, Public Works , Irrigation including Minor Irrigation, Programme Works

Electricity,Non-Conventional Energy Development, Prohibition and Excise, Molasses.

Housing, Rural Housing and Housing Development, Slum Clearance Board and Accommodation Control, Town Planning, Urban Development and Chennai Metropolitan Development Authority

Highways and Minor Ports.

Rural Industries including cottage Industries and Small Industries, Labour, Population, Employment and Training, Newsprint Control, Census and Urban and Rural Employment.

Social Welfare including Women's and Children's Welfare, Orphanages and Correctional Administration, Integrated Child Development and Beggar Homes, Welfare of the Differently abled, Social Reforms and Nutritious Noon Meal Programme

Higher Education including Technical Education, Electronics, Science and Technology.

Co-operation, Statistics and Ex-Servicemen Welfare

Food, Civil Supplies, Consumer Protection and Price Control.

Industries, Steel Control, Mines and Minerals, and Special Initiatives 

Transport, Nationalised Transport, Motor Vehicles Act.

Commercial Taxes and Registration and Stamp Act

Agriculture, Agricultural Engineering, Agro Service Cooperatives, Horticulture, Sugarcane Cess, Sugarcane Development and Waste Land Development.

Municipal Administration, Rural Development, Panchayats and Panchayat Unions, Poverty Alleviation Programmes, Rural Indebtedness, Urban and Rural Water Supply. Law, Courts and Prisons, Personnel and Administrative Reforms and Prevention of Corruption

Animal Husbandry

Handlooms and Textiles

Youth Welfare and Sports Development Department

Tourism, Tourism Development Corporation

Adi Dravidar Welfare and Welfare of Hill Tribes and  Bonded Labour.

Fisheries and Fisheries Development Corporation

Information Technology

Revenue, District Revenue Establishment,. Deputy Collectors, Weights and Measures, Debt Relief including Legislation on Money lending, Chits, Registration of Companies.

Information and Publicity, Film Technology and Cinematograph Act, Stationery and Printing and Government Press, Implementation of Special Programme including Implemenation of the Election Manifesto.

Milk and Dairy Development.

School Education and Archaeology, Tamil Official Language and Tamil Culture

Forests

Environment and Pollution Control

Khadi and Village Industries Board, Bhoodhan and Gramadhan.

Backward Classes, Most Backward Classes and Denotified Communities, Overseas Indians, Refugees & Evacuees and Minorities Welfare including Wakf.

Health, Medical Education and Family Welfare