The Collectorate play a pivotal role in the District administration. Collector in the Cadre of I.A.S heads the District. He acts as the District Magistrate for maintaining Law and Order in his jurisdiction. He deals mainly with planning and development, law and order, general elections, arms licensing etc.

The Additional Collector/ District Revenue Officerruns the Revenue administration under various enactments in the District. He is also designated as Additional District Magistrate. He mainly deals with civil supplies, land matters, mines and minerals, village officers etc.

The District Revenue Officer (DRO) and Deputy Collectors assists the Collector in discharging their duties. The District Revenue Officer looks after all the branches of the Collectorate. He deals mainly with general administration and is vested with supervision of day-to-day functions of the Collectorate.

The Project Officer District Rural Development Agency in the cadres of IAS/DRO , Personal Assistant Panchayat Development in the cadre of Deputy Collector, Assistant Director Town panchayats, Municipal commissioners & Municipal Corporation Commissioner areassisting collector in panchayat development and urban local body related works.

1. Section A :: Deals with Establishment and Office Procedures, Elections and VVIPs

2. Section B :: Land Acquisition –  LAOP

3. Section C :: Deals with Law & Order, Magisterial (Court/Legal) matters

4. Section D :: AdiDiravidar and Tribal Welfare

5. Section E :: Land – Patta Transfer – Examinations

 6. Section G :: Survey Matters

7. Section H :: Record Keeping, Accomodationof Govt. offices and Dist. Gazette

8. Section J  :: Public Distribution System, Civil Supplies

9. Section K :: Land Matters –Rail way lands , relinquished lands, Encroachments

10. Section L :: Fair Copy, Tapal&Despatches

11. Section M:: Budject,Audit,Reconciliation,Salary, Pay fixation

12. Section  P:: Natural calamities, TN Hill Areas

13. Section R :  Rehabilitation, Refugees Welfare, Srilankan Tamils Welfare

14. GC           :  Grievances Redressal Cell

15. Excise      :  State Excise, TASMAC management

16. BC           :  Mass Contact, jamabandhi,Namakku Name Thittam,BC Welfare

17. AD(P)     :  Panchayats Related Activities

18. AD(audit) : Audit and High Level committe

19. PA(SS)   :   Small Savings

20. PA(NM) :  School Noon Meals Related Activites

21. PO(DRDA) : Rural Development and Panchayat Raj

22. A.D(TP)  : Town Panchatyats related Activities