The document provides an overview of the depository system in India and the roles of its key constituents. It discusses:
1) The historical background that led to the introduction of a depository system in India to improve settlement efficiency as trading volumes increased.
2) The key components of the depository system including depositories that hold securities electronically, depository participants that interface with investors, companies that issue securities, and investors.
3) The scope of audits for depository participants, which includes verifying compliance with regulations regarding account opening procedures, demat requests, delivery instructions, and addressing investor grievances.