Depository Participant Identification (DP ID)

The Depository Participant Identification (DP ID) is a unique identifier assigned to each SEBI-registered entity — typically a stockbroker, bank, or financial institution — that is an approved Depository Participant (DP) of NSDL or CDSL. The DP ID distinguishes one Depository Participant from another within the depository system and forms part of the composite account identifier for each investor's Demat account. In NSDL's system, the DP ID follows the format 'IN' followed by six digits (e.g., IN300378). In CDSL's system, the DP ID is an eight-digit numeric code (e.g., 12081800). Combined with the investor's unique client ID (8 digits), the DP ID forms the complete 16-digit BO ID (Beneficiary Owner ID) used to uniquely identify each Demat account. Investors frequently need their DP ID when applying for IPOs — the DP ID and client ID together constitute the Demat account details required in the IPO application form. The DP ID is printed on the Demat account statement, the DP's welcome letter, and is accessible through the DP's online portal or the NSDL/CDSL investor service websites. Investors should carefully note their DP ID and keep it readily accessible for transaction and compliance purposes.