Last Updated: July 2022 What is CBI? Central Bureau of Investigation (CBI) is the premier investigating police agency in India. It provides assistance to the Central Vigilance Commission and Lokpal. It functions under the superintendence of the Deptt. of Personnel, Ministry of Personnel, Pension & Public Grievances, Government of India - which falls under the prime minister’s office. However for investigations of offences under the Prevention of Corruption Act, its superintendence vests ... The full form of CBI is the Central Bureau of Investigation. It operates under the jurisdiction of the Ministry of Personnel, Public Grievances, and Pensions and investigates cases of corruption, serious crimes, and violations of fiscal laws. The Central Bureau of Investigation (CBI) is the domestic crime investigating agency of India. [4][5] It operates under the jurisdiction of the Ministry of Personnel, Public Grievances and Pensions. The Central Bureau of Investigation (CBI), functioning under Dept. of Personnel, Ministry of Personnel, Pension & Public Grievances, Government of India, is the premier investigating police agency in India. It is an elite force playing a major role in preservation of values in public life and in ensuring the health of the national economy. It is also the nodal police agency in India, which coordinates investigation on behalf of Interpol Member countries.