The document provides information about the Bombay Stock Exchange (BSE) and National Stock Exchange (NSE) of India. BSE is the oldest stock exchange in Asia, established in 1875. NSE was established in 1992 as a nationwide trading facility to ensure equal access to investors. It has become the largest stock exchange in India in terms of market capitalization. The document also describes key stock market indices of India - the BSE Sensex and NSE Nifty 50, which track the performance of major companies listed on the two exchanges.