- Adi Dravidar and Tribal Welfare Department
- Agriculture Department
- Animal Husbandry, Dairying and Fisheries Department
- BC, MBC & Minorities Welfare Department
- Co-operation, Food and Consumer Protection Department
- Energy Department
- Environment and Forests Department
- Finance Department
- Handlooms, Handicrafts, Textiles and Khadi Department
- Health and Family Welfare Department
- Higher Education Department
- Highways and Minor Ports Department
- Home, Prohibition and Excise Department
- Housing and Urban Development Department
- Industries Department
- Information Technology Department
- Labour and Employment Department
- Municipal Administration and Water Supply Department
- Planning, Development and Special Initiatives Department
- Public Department
- Revenue and Disaster Management Department
- Rural Development and Panchayat Raj Department
- School Education Department
- Micro , Small and Medium Enterprises Department
- Social Welfare and Nutritious Meal Programme Department
- Tamil Dev. and Information Department
- Tourism,Culture and Religious Endowments Department
- Transport Department
- Youth Welfare and Sports Development Department
- Welfare of Differently Abled Persons
- Public Works Department