Indian Share Market http://www.indiansharemarket.net Shares offered in IPOs are required to be listed on a stock exchanges for the purpose of trading. Listing means that the shares have been listed on the stock exchange and are available for trading in the secondary market. http://www.indiansharemarket.net/indian-stock-exchange-primary-market-listing.shtml http://www.indiansharemarket.net/indian-stock-exchange-primary-market-listing.shtml