The document discusses key aspects of money markets including definitions, features, objectives, composition, instruments and structure. It describes money markets as a mechanism for short-term lending and borrowing of less than one year. The key components are commercial banks, acceptance houses and non-banking financial companies. Common instruments include treasury bills, commercial papers, certificates of deposit, repurchase agreements and money market mutual funds. The structure includes organized sectors like the Reserve Bank of India and commercial banks as well as unorganized sectors like money lenders and cooperative banks. Recent developments have integrated the unorganized sector and introduced innovative instruments.