The Headquarters of the Directorate of Vigilance and Anti-Corruption department is located at No.
293, MKN Road, Alandur, Chennai - 600016. The DVAC is headed by a Director in the rank of Director General of Police/Additional Director General of Police assisted by a Joint Director in the
rank of Inspector General of Police/Deputy Director in rank of Deputy Inspector General of Police. Three Superintendents of Police, supervise the work of the Investigating Officers, who are spread out in different districts (as given in the map and the Directory). Apart from the above, two Special Investigation Cells are functioning in the Directorate at Chennai under two Inspectors-General of Police, assisted by
one Superintendent of Police to supervise the enquiries/investigations involving elected Public Servants.
Investigative Wing: The Investigative Wing of the DVAC consists of police officers of the rank of Additional Superintendents of Police, Deputy Superintendents of Police and Inspectors of Police. They are spread all over the state and it is headed by Additional/Deputy Superintendent of Police with 2 to 6 Investigating Officers in the rank of Inspectors and other supporting staff at the following district headquarters:
Legal Wing: Apart from the investigation staff, there is a legal wing consisting of
4 Additional Legal Advisors, 34 Deputy Legal Advisors and 6 Prosecutors for Disciplinary Proceedings to prosecute cases before the courts and tribunals and tender legal advice in the investigations/enquiries. The Law officers of this Directorate are ex-Officio Special Public Prosecutors for all cases investigated by the DVAC and tried by the Special Judges.
Technical Wing: There is a technical wing consisting of a Superintending/Executive Engineer to tender advice or assistance in the cases investigated by the Directorate involving technical matters. Apart from this, as and when required, the DVAC gets experts' assistance from various fields such as the Public Works Department, Highways, Metro water (CMWSSB) Chennai Corporation, Forest Department, Local Fund Audit, Engineering Departments from various Universities, Analytical Laboratories of State and Central Governments, etc. There is also a Finger Print Bureau consisting of one Assistant Director and six officers to render technical assistance on related matters.