The correct answer is RBI. The Reserve bank of India established in 1935 is the Bank of Banks as it is Indias Central bank under the Ministry of Finance. It is responsible for the regulation of the banking system in India and the issue and supply of the national currency. It was set up in accordance with the Reserve Bank of India Act, 1934. The panel of RBI consists of 21 members (central board of directors) “ Governor, Deputy Governor (4), Finance Ministry Representatives (2), Government nominated Directors (10), Directors (4) representing boards for Mumbai, Kolkata, Chennai, and Delhi. It was nationalized on Jan 1, 1949. Member of Asian Clearing Union and Alliance for Financial InclusionPresent Governor “ Shaktikanta DasFunctions of RBI “Financial SupervisionRegulator and Supervisor “ Financial System, Payment and Settlement System Banker and Debt Manager to the GovernmentForeign Exchange managementIssue of Currency and Fake currency detectionCentral Securities Depository for Government SecuritiesImportant PointsNABARD “ National Bank for Agricultural and Rural DevelopmentResponsible for all credit operations in agriculture and economic activities in rural IndiaFormation “ 1982, HQ “ MumbaiSBI “ State Bank of IndiaIndian multinational and Public Sector bankFormation “ 1955, HQ “ Mumbai, Tagline “ The Nation Banks on UsFormerly “ Imperial Bank of IndiaMistake PointsRBI is also referred to as Mint Street. Rs. 1 note is issued by the Government of India thats why it bears the sign of Finance Secretary unlike all other denomination notes have the sign of the Governor of RBI. (Stamp released in 2010 to mark the 75th anniversary of RBI)