The document summarizes information about the Central Bureau of Investigation (CBI) in India. It discusses that CBI was established in 1941 as an anti-corruption agency that investigates major criminal and corruption cases throughout India. CBI derives its powers from the Delhi Special Police Establishment Act of 1946 and can investigate cases in any state with the state government's permission. The document also provides details on CBI's jurisdiction, selection process of its director, vision, and history. It notes that CBI has faced criticism for alleged political interference in investigations and lack of action against prominent politicians.