1. Adi Dravidar and Tribal Welfare Department

2. Agriculture & Farmers Welfare Department

3. Animal Husbandry, Dairying, Fisheries and Fishermen Welfare Department

4. BC, MBC & Minorities Welfare Department

5. Commercial Taxes and Registration Department

6. Co-operation, Food and Consumer Protection Department

7. Energy Department

1. Environment, Climate Change and Forests Department

2. Finance Department

3. Handlooms, Handicrafts, Textiles and Khadi Department

4. Higher Education Department

5. Highways and Minor Ports Department

1. Housing and Urban Development Department

2. Human Resources Management Department

3. Industries, Investment Promotion & Commerce Department

4. Information Technology and Digital Services Department

5. Labour Welfare and Skill Development Department

6. Law Department

7. Legislative Assembly Department

1. Home, Prohibition and Excise Department-High Court

2. Micro, Small and Medium Enterprises Department

3. Mudhalvarin Mugavari Department

4. Municipal Administration and Water Supply Department

5. Natural Resources Department

6. Planning, Development and Special Initiatives Department

7. Public Department

8. Public(Elections) Department

1. Public Works Department

2. Revenue and Disaster Management Department

3. Rural Development and Panchayat Raj Department

4. School Education Department

5. Social Reforms Department

6. Social Welfare and Women Empowerment Department

7. Special Programme Implementation

8. Health and Family Welfare Department

1. Home, Prohibition and Excise Department- Police Dept, etc..

2. Tamil Dev. and Information Department

3. Tourism, Culture and Religious Endowments Department

4. Transport Department

5. Water Resources Department

6. Welfare of Differently Abled Persons

7. Youth Welfare and sports Development Department