The Central Bureau of Investigation (CBI) is the premier investigative agency of India, responsible for handling complex criminal cases, including corruption, economic offenses, and serious crimes. Established in 1941, it operates under the jurisdiction of the Ministry of Home Affairs and works to uphold the law and ensure justice. The CBI conducts investigations based on referrals from state governments or the Supreme Court of India. It also collaborates with international agencies to tackle cross-border crime. The agency is known for its expertise and plays a crucial role in maintaining public trust in the legal system.