The central bank has six main functions: 1) Issuing currency notes, 2) Acting as the bank and advisor to the government, 3) Functioning as the bank for commercial banks, 4) Maintaining foreign exchange and gold reserves, 5) Lending to commercial banks during times of need, and 6) Controlling credit and implementing monetary policy through quantitative and qualitative methods. The quantitative methods include adjusting the bank rate, conducting open market operations, and varying reserve ratios. The qualitative methods include changing margin requirements, regulating consumer credit, acting as a bank clearinghouse, publishing reports, using moral suasion, and taking direct actions.