Your Demat account number is a unique 16-character ID, combining your 8-character DP ID (broker identifier) with an 8-digit Client ID (BO ID). You can find the Demat account number, along with your DP ID in the welcome kit, broker's mobile app, official welcome email, or Consolidated Account Statement (CAS).

A Demat account number is important if you want to apply for initial public offerings (IPO), update nominee details, or raise service invoices with your Depository Participant.

The format of a Demat account number varies depending on whether the account is linked to Central Depository Services Limited (CDSL) or National Securities Depository Limited (NSDL).

Example: Your Demat account number with CDSL can be 0123456789098765. A NSDL-linked Demat account number can be IN01234567890987.

Key Takeaways

• Investors with multiple Demat accounts have to maintain several BO (Beneficiary Owner) IDs.
• For CDSL accounts, the Demat account number is a 16-digit numeric code.
• For NSDL accounts, it starts with "IN" followed by a 14-digit alphanumeric code.
• If you are unable to find your account number, you can contact the customer support team.
• The number also appears on contract notes and the Client Master List (CML), needed for IPO applications and account transfers.

Method 1: Locate Details via the Angel One Mobile App

Step 1: Log in to the app Open the Angel One app on your smartphone and authenticate using your PIN or biometrics.

Step 2: Navigate to account profile Tap on the Account tab located at the bottom right corner of the navigation bar, then select Profile at the top.

Step 3: View Demat details Under the personal details section, locate the ‘Demat Details’ heading. You will see your 16-digit Demat Account Number, DP ID, and Client ID listed clearly.

Method 2: Check the Consolidated Account Statement (CAS)

CDSL and NSDL dispatch Consolidated Account Statement (CAS) monthly to registered email address.

Step 1: Open your registered email inbox Search for "Consolidated Account Statement" or "CAS".

Step 2: Click on the password-protected attached PDF statement Password can be your PAN or first four letters of your name and date of birth in DD/MM/YYYY.

Step 3: The top section of the statement Displays your account portfolio summary alongside your full Demat Account Number and depository details.

Method 3: Review Your Broker Welcome Kit

Upon successfully completing your Online KYC and opening an account, your broker sends an official welcome email containing an onboarding letter.

Search your inbox for your account welcome email to view the original record of your DP ID, Client ID, and Demat account details.

Method 4: Net Banking Portal

If your Demat account is linked directly to a 3-in-1 banking account:

Step 1: Log into your bank’s Internet Banking portal.

Step 2: Navigate to the ‘Investments/Demat Services’ tab.

Step 3: Select ‘View Account Details’ ‘to retrieve your linked Demat ID and holdings. 

When Do You Need Your Demat Account Number and DP ID?

Applying for IPOs: Submitting an initial public offering bid via Third-Party UPI apps requires entering your exact 16-character Demat ID for share allotment.

Off-market share transfers: Transferring shares between accounts via platforms like CDSL Easiest or NSDL SPEED-e requires both the source and target DP IDs and Client IDs.

Updating nominee & KYC details: Submitting statutory modification forms or updating nomination details requires valid account verification.

Consolidating portfolios: Tracking or merging multiple Demat accounts under a single statement requires registering each distinct BO ID.

What is a DP ID and how is it Different from Demat Account Number?

DP ID identifies the Depository Participant, the broker or financial institution, acting as an intermediary between the investor and the depository.

Client ID, also called BO ID (Beneficiary Owner ID), identifies the individual investor within that DP. Together, they form the full Demat account number.

Example: You are at home and ordered food online. The building address helps a delivery partner reach the location, but it's your flat number that tells them exactly where you live.

Similarly, the DP ID identifies your broker, and the Demat Account Number identifies your individual investment account.

Note: Each DP is given a unique ID by CDSL or NSDL.  

How to Download Client Master Report (CMR) or Client Master List (CML) from Angel One App?

You can also access your Demat account number on your contract notes and Client Master List (CML). Here is how:

Step 1: Log in to the Angel One App Open the Angel One app and log in using your registered credentials, MPIN, or biometric authentication.

Step 2: Navigate to ‘Account Section’ Tap on the Account tab located at the bottom right corner of the navigation bar.

Step 3: Select Download Reports Go to your profile or account settings dashboard and select the option to Download Reports.

Step 4: Choose Client Master List Under the Other section of the reports menu, select Client Master List (CML/CMR) to download your digitally signed document.

Also Read More: How to Use a Demat account?

How to Find Beneficiary Owner (BO) ID?

Step 1: Visit the Broker's Website or App and Log In.

Step 2: Go to "My Profile" or "Account Information."

Step 3: Locate the BO ID or Demat Account Number Under Account Details.

Why BO ID Matters

• Unique identification: Assigns each investor a distinct code recognized across the depository system.
• Compliance and transparency: Maintains accurate ownership and transaction records.
• Mandatory for holding securities: No securities can be held in a Demat account without a valid BO ID.
• Enables timely corporate benefits: Dividends, bonuses, and rights issues are credited using the BO ID.
• Supports portfolio tracking: Enables paperless monitoring of holdings.

Limitations and Misconceptions of BO ID

• Has no value without an active Demat account.
• Cannot be used to trade directly. You will need a trading account.
• A CDSL BO ID cannot be used for an NSDL account and vice versa.
• Sharing it carelessly creates data-security exposure.

How to Keep BO ID and Demat Account Number Secure?

• Never share the BO ID, Client ID, or any OTP over phone calls, SMS links, or unsolicited emails.
• Verify only when a request for these details comes from the broker's official app or official website.
• Enable two-factor authentication on the broker account where available.
• Report suspicious requests to the broker's official support channel immediately.

Does Demat Account Number Change on Transfer or Closure?

Transferring holdings to a new DP or broker generates a new Demat account number since the DP ID changes.

Closing an account deactivates the existing number. But it cannot be reassigned to another investor.

Also Read More: How To Transfer Money From Demat Account To Bank

Common Problems Investors Face

• Confused between NSDL or CDSL: Investors often fail to understand if the account is under NSDL or CDSL.
• Can find only Client ID, not full Demat account number: The Client ID is only half the code. The DP ID is needed to complete it.
• Cannot access registered email or mobile number: Complete identity verification with the broker or DP’s customer support team to update registered contact details.

Conclusion

The Demat account number, DP ID, and BO ID together form the identification system that makes electronic securities holding possible. The account number combines the DP ID (identifying the broker) and Client ID (identifying the investor) and can be retrieved through the CAS, welcome kit, broker app, contract note, or customer support.

Keeping the number handy allows you to easily apply for an IPO and access other features of your account.