The Directorate of Vigilance functions under the overall supervision and control of Chief Secretary, who is also Chief Vigilance Officer for the Government of the National Capital Territory of Delhi. Directorate is headed by the Director (Vigilance), who is also ex-officio Joint Commissioner of Police Anti Corruption Branch. It has two wings i.e. Anti Corruption Branch is supervised by the Joint Commissioner of Police (A.C. Branch) and the Vigilance Branch is looked after by the Addl. Secretary (Vigilance).