The Central Bureau of Investigation (CBI) is India's top investigative agency.
It was formed under the Delhi Special Police Establishment Act, 1967.
It is overseen by the Department of Personnel, Ministry of Personnel, Pensions & Public Grievances, Government of India, which is part of the prime minister's office.
The Central Vigilance Commission, on the other hand, is in charge of investigations under the Prevention of Corruption Act.
It also serves as India's nodal police agency, coordinating investigations on behalf of Interpol member countries.
It has a conviction record of 65 to 70%, which puts it on par with the greatest investigation organizations in the world.
The CBI is in charge of a number of cases including:
Anti-Corruption Crimes – for the investigation of cases brought against public officials and workers of the Central Government, Public Sector Undertakings, Corporations, or Bodies owned or controlled by the Government of India under the Prevention of Corruption Act.
Economic Crimes - for the investigation of major financial scams and serious economic frauds, such as crimes involving Fake Indian Currency Notes, Bank Frauds, and Cyber Crime, bank frauds, Import Export & Foreign Exchange violations, large-scale narcotics, antiques, cultural property, and other contraband items, and so on.
Special Crimes - cases of terrorism, bomb blasts, kidnapping for ransom, and crimes perpetrated by the mafia/underworld are investigated under the Indian Penal Code and other laws at the request of state governments or on the directives of the Supreme Court and High Courts.
Suo Moto Cases - The CBI can only investigate offences in the Union Territories on its own initiative.
The CBI can be authorized by the Central Government to investigate a crime in a state, but only with the approval of the state government in question.
The Supreme Court and High Courts, on the other hand, have the authority to direct the CBI to investigate a crime anywhere in the country without the permission of the government.