The correct answer is the Reserve Bank of India. The Reserve Bank of India was nationalized in the year 1949. The Reserve Bank of India (RBI) is India's central bank and regulatory body and is responsible for the issue and supply of the Indian rupee and the regulation of the Indian banking system. It also manages the country's main payment systems and works to promote its economic development. Bharatiya Reserve Bank Note Mudran is one of the specialized divisions of RBI through which it mints Indian banknotes and coins. Until the Monetary Policy Committee was established in 2016, it also had full control over monetary policy in the country. It commenced its operations on 1 April 1935 in accordance with the Reserve Bank of India Act, 1934. The original share capital was divided into shares of 100 each fully paid. Following India's independence on 15 August 1947, the RBI was nationalized on 1 January 1949. Additional InformationCentral Bank of India is an Indian nationalized bank. It is under the ownership of the Ministry of Finance, Government of India, and is one of the oldest and largest nationalized commercial banks in India. It is based in Mumbai, the financial capital of India and capital city of the state of Maharashtra. Union Bank of India, commonly referred to as Union Bank or UBI, is an Indian government-owned bank with 120+ million customers and a total business of US$106 billion. The Imperial Bank of India was one of the oldest and the largest commercial banks of the Indian subcontinent and was subsequently transformed into the State Bank of India in 1955.