Public, Indian Administrative Service, Indian Police Service, Indian Forest Service, General Administration, District Revenue Officers, Police and Home
Finance , Planning ,Legislative Assembly ,Elections and Passports ,Public Works , Irrigation including Minor Irrigation and 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, Agriculture, Agricultural Engineering, Agro Service Cooperatives, Horticulture, Sugarcane Cess, Sugarcane Development and Waste Land Development.
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,
Hindu Religious and Charitable Endowments (HR & CE)
Industries, Steel Control, Mines and Minerals, and Special Initiatives, Transport, Nationalised Transport , Motor Vechicles Act
Commercial Taxes and Registration and Stamp Act
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
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
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
Environment and Pollution Control
Backward Classes, Most Backward Classes and Denotified Communities, Overseas Indians, Refugees & Evacuees and Minorities Welfare including Wakf.
Health, Medical Education and Family Welfare