Monetary policy involves central banks controlling the supply of money and interest rates to influence economic activity like prices and employment. It works through expanding or contracting investment and consumption spending. The objectives of monetary policy in India are to achieve rapid economic growth, price stability, exchange rate stability, balance of payments equilibrium, full employment, and an equal distribution of income. Some tools used in monetary policy include adjusting the bank rate, conducting open market operations, and varying reserve requirements to influence the money supply and credit conditions. Both quantitative and qualitative tools are used to target monetary policy objectives.