What is DDPI and how do I enable it to skip eDIS authorisation?

DDPI (Demat Debit and Pledge Instruction) is a SEBI-approved mechanism that grants Sahi a one-time standing authorisation to debit shares from your demat account whenever you place a sell order, without requiring a separate eDIS TPIN entry each time.

DDPI vs eDIS: What's the difference?

Feature eDIS DDPI
Authorisation frequency Required for every single sell transaction One-time setup, valid permanently
How it works Redirected to CDSL page to enter TPIN each time Standing instruction; Sahi debits automatically on sell
Setup effort No setup needed; just enter TPIN when prompted One-time form signing (physical or e-sign)
Convenience Slightly more friction each time you sell Seamless — no extra step needed when selling

How to enable DDPI in Sahi

  1. Open the Sahi app and go to Profile or Account Settings
  2. Find the DDPI section under Demat / Account settings
  3. Tap Enable DDPI or Activate DDPI
  4. You will be guided through an e-signing process (Aadhaar OTP based) or asked to submit a signed physical form
  5. Once DDPI is active, your delivery sell orders will no longer prompt for eDIS TPIN

Note: DDPI is a SEBI-regulated facility. It is limited strictly to debiting shares when you place a sell order — it does not give Sahi any other control over your demat account.

Important: DDPI is strongly recommended for active traders who frequently sell delivery holdings, as it removes the eDIS friction on every transaction. If you are a long-term investor who rarely sells, eDIS per transaction is also perfectly safe.