Sl.No Name of the Department
1. Agriculture and Farmers Welfare Department
2. Agricultural Engineering Department
3. District Backward Classes and Minorities Welfare Office(DBCWO)
4. District Differently Abled Welfare Office
5. District Industries Centre(DIC)
6. District Supply and Consumer Protection Office
7. Tamil Nadu Civil Supplies Corporation
8. Election Department
9. District Rural Development Agency(DRDA)
10. Social Welfare and Women Empowerment Department
11. School Education Department
12. Health and Family Welfare Department
13. Revenue Divisional Office Thiruvarur
14. Revenue Divisional Office Mannargudi
15. Regional Transport Office Thiruvarur
16. EX-Servicemen Welfare Office
17. National Highways(LA)
18. Divisional Highways
19. Assistant Director(Audit)
20. Animal Husbandry, Dairying, Fisheries and Fishermen Welfare Department
21. Labour Welfare and Skill Development Department
22. Tamil Nadu Arasu Cable TV Corporation LTD (TACTV)
23. Tamilnadu Agricultural Marketing and Agri Business Department
24. Department Of Medical and Rural Health Services
25. Tamil Nadu State Transport Corporation (TNSTC)
26. Noon Meal Programme
27. Youth Welfare And Sports Development Department
28. Department of Horticulture and Plantation Crops
29. District Employment Office
30. Tamil Nadu ADI Dravidar Housing and Development Corporation(TAHDCO)
31. PO (ICDS)
32. District ADI Dravidar and Tribal Welfare Office
33. TamilNadu Pollution Control Board
34. District Town and Country Planning Office