The document provides an overview of stock exchanges in India, detailing their definitions, histories, and milestones in development. It highlights major exchanges including the Bombay Stock Exchange (BSE), National Stock Exchange (NSE), Multi Commodity Exchange (MCX), and Calcutta Stock Exchange (CSE), along with their roles and objectives. The BSE is noted as the oldest exchange in Asia, while the NSE is the leading stock exchange in India, and the MCX is the largest commodity futures exchange.