Kolkata Police (formerly known as Calcutta Police ), the oldest Commissionerate and the pioneering police organization of this country, came into existence way back in 1856 when the Governor–General promulgated an Act treating Calcutta Police as an separate organization and S. Wauchope, the then Chief Magistrate of Calcutta (erstwhile name of the city of Kolkata ) was appointed as the first Commissioner of Police . The role of Kolkata Police has been defined under the Calcutta Police Act ... Kolkata Police Head Quarters 18, Lalbazar Street, Kolkata - 700 001, West Bengal, India EPABX Number: (91-33)22505000 Kolkata Police Recruitment PortalNoticeKolkata Police Recruitment Portal Kolkata Police is an organisation with a complex command structure that reflects the diverse range of tasks it is expected to undertake. The administration of the Kolkata Police Force is vested in the Commissioner of Police . The members of the Kolkata Police force, under the general supervision of the Commissioner of Police , are attached to one of the following units.