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How to activate the DDPI for the account?

Submitting DDPI is optional. Clients who have opened accounts online can use the CDSL TPIN to authorise the debit of securities. To learn more, see How to generate the CDSL TPIN required to authorise the CNC sell transactions?

To activate the DDPI for the Zerodha account, download the DDPI (PDF), fill it and courier it to the following address:

153/154, 4th Cross, J.P Nagar 4th Phase,
Opp. Clarence Public School,
Bengaluru - 560078

Did you know?

  • Activation of DDPI (PDF) can only be done offline in Zerodha.
  • Ensure that the signature on DDPI matches the previously uploaded signature while opening the Zerodha account. The uploaded signature can be found by visiting, selecting Signature proof in the drop-down menu, and clicking on E-mail to me.
  • Refer to the sample copy of the DDPI (PDF) to know how to fill the DDPI. Client ID is the 16-digit Demat ID that can be found by visiting
  • The DDPI will be activated within 72 hours of receiving it, and a confirmation email will be sent once it is processed.