The document discusses the primary and secondary stock markets. The primary market is where companies issue new stock to raise funds through processes like initial public offerings (IPOs). The secondary market is where previously-issued stocks are traded on exchanges like the BSE and NSE. The document outlines the steps companies take for an IPO, including appointing an investment bank, filing with regulatory agencies, setting a price band for public subscription, and listing on an exchange. It also describes how individuals can apply for shares during an IPO's subscription window by using a demat account and applying through online or offline means.