This document discusses the primary market for securities. The primary market refers to the initial sale of securities to investors through public offerings or rights issues. It does not have a physical structure. Key participants include regulators, investment bankers, brokers, depositories and investors. Companies can issue new shares via public issues, rights issues, or private placements. Public issues involve issuing shares directly to the public, while rights issues offer shares to existing shareholders. Private placements sell shares to select investors. The document also briefly outlines book building and the regulatory history of the primary market.