The document provides an overview of the stock market in India, including what shares are, how stock exchanges work, and some of the major indices. It discusses that shares represent ownership in a company and are traded on stock exchanges. It then describes the two major stock exchanges in India - the Bombay Stock Exchange (BSE) and the National Stock Exchange (NSE). It provides details on two major indices, the BSE Sensex which tracks 30 large companies on the BSE, and the Nifty 50 which tracks 50 large companies on the NSE. It concludes with a brief overview of the Securities and Exchange Board of India (SEBI) which regulates stock exchanges in India.