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. Learn about the mission, composition, and tenure of the CBI, which investigates and prosecutes serious crimes, including corruption, economic offenses, and high-profile cases. Find out how the CBI operates under the Ministry of Personnel, cooperates with state and international police, and differs from state police forces. The Central Bureau of Investigation (CBI) stands as India’s premier investigative agency, known for its role in combating corruption, economic offenses, and significant criminal cases. Although surrounded by some criticisms and controversies, the CBI has evolved to become a symbol of integrity and thoroughness in law enforcement. This article of Next IAS aims to study in detail the Central Bureau of Investigation (CBI), its composition, structure, functions, challenges, and suggested ... 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.