This document provides an overview of depository accounts and the account opening process. It discusses the different types of accounts available at a Depository Participant including beneficial owner accounts, house accounts, non-house accounts, clearing member accounts, and intermediary accounts. It then describes the documentation required to open individual and corporate client accounts, including KYC requirements and 'in-person' verification. The key steps to open a beneficiary account and features like zero balance and nomination are also summarized.