The document provides an overview of the history and development of commodity markets in India. It discusses how commodity exchanges originated in Chicago in the 1840s and later spread to other parts of the developing world in the 1980s-1990s. It then focuses on the evolution of commodity markets in India, from over 20 regional exchanges prior to a ban in the 1960s to the emergence of national electronic exchanges today. The document also summarizes current trading volumes and provides examples of trading processes for futures, spot, and delivery-based commodities.