The Anti Corruption Branch was formed vide Govt. Notification No. 655-PAR(Vig.) dated 02.08.2012 with a mandate of conducting enquiry into such complaints of the administrative irregularities and complaints of corruption against Govt. employees, employees of Local Bodies, Public Sector Undertakings, Corporations, Societies, etc. under the administrative control of the Government as may be referred to it by the Government. The Anti Corruption Branch has no other divisions and functions only from its headquarters at Kolkata. The Branch is located at 9th floor, 'A' Wing, New Secretariat Buildings, 1, Kiran Sankar Roy Road, Kolkata - 700001. The Anti Corruption Branch subsequently uplifted as Directorate of Anti Corruption Branch, West Bengal vide..............................
The Government vide Home(Police) Department Notification No. 2208 P.S. Cell dated 14 November 2012 empowered the Anti Corruption Branch with investigative functions by specially declaring the Branch office as a police station. The Anti Corruption Branch Police Station has been created with jurisdiction throughout the State of West Bengal only for the purpose of registration and investigation of the offences relating to Prevention of Corruption Act., 1988.
Vide Notification No. 197-JL-the 7th June, 2013, the State Govt. has notified Court of Judge, Bench-II, City Session Court, Kolkata to be the Special Court under Prevention of Corruption Act, 1988 for ACB PS, having its jurisdiction throughout West Bengal.
The Personnel and Administrative Reforms Department will be the administrative department for the Directorate of Anti Corruption Branch,West Bengal.