What Is Power of Attorney (POA) in a Demat Account?

A Power of Attorney (POA) in a demat account is a legal document through which you, as the account holder, authorise your broker or depository participant to operate the account for specific, limited purposes. Its main benefit is automation: POA lets the broker debit shares when you place a sell order, so you don't have to submit a physical Delivery Instruction Slip for every transaction. Crucially, POA is not mandatory; you can trade using a CDSL TPIN or e-DIS instead, and POA cannot be used for unrestricted withdrawal or transfer of funds. 

In this blog, we'll look at how POA works, what it permits and prohibits, whether you still need one, and how to revoke it safely.

#How POA Works

#The SEBI Framework

SEBI introduced structured POA guidelines through its 2010 circular (CIR/MRD/DMS/13/2010) after finding that brokers were making clients sign broad, irrevocable documents granting unrestricted access to their demat and bank accounts. The circular defined the permissible scope of POA and established that it must not be a precondition for opening or operating a trading or demat account.

SEBI reiterated this in August 2020, explicitly stating that no broker or depository participant may deny services to a client who refuses to execute a POA. Together, these rules form the framework within which every broker POA document must be drafted and executed.

#Why Brokers Use POA

Internet-based trading and short settlement cycles require brokers to have timely authority to debit securities from your demat account the moment a sell order executes. Without POA, clients historically had to submit a physical Delivery Instruction Slip for each sale, which created delays incompatible with electronic settlement. POA enables brokers to automatically raise demat debit instructions through their back-office systems, delivering securities to the clearing corporation on schedule without manual intervention.

Brokers also once used POAs to move client securities into collateral accounts for margin purposes. SEBI's margin pledge and re-pledge framework, introduced in 2020, has sharply curtailed this. Margins must now be processed through pledge or re-pledge in the depository system, and simply holding a POA cannot be treated as collected margin, which has substantially narrowed the operational relevance of POA.

#Types of POA

#What POA Permits and What It Does Not

#Permitted and Prohibited Uses

#Permitted under POA

• Transfer securities for exchange-related deliveries and settlement obligations.
• Pledge securities for margins on trades executed through that broker
• Apply for IPOs and mutual funds strictly on client instructions

#Not permitted under POA

• Off-market transfer of securities
• Transfer of securities to other brokers or unrelated third parties
• Opening, closing, or merging demat or trading accounts
• Executing trades in your name without explicit per-transaction consent
• Withdrawing funds from your bank account
• Transferring POA rights to the broker's assignees

SEBI's guidelines and NSDL's guidance on POA restrictions both make clear that transfers under POA must be restricted to your own accounts and relate only to settlement obligations for trades you placed through that specific broker. POA is legally revocable at any time and does not grant permanent control over your demat account.

#Is POA Mandatory Today?

For most retail investors, POA is optional. CDSL introduced e-DIS (Electronic Delivery Instruction Slip) and a TPIN-based pre-authorisation flow so you can approve sell transactions electronically without giving a broker blanket authority. The TPIN is a six-digit code generated and controlled directly by CDSL, not the broker, and is issued to your registered contact details. No broker has access to your TPIN or OTP at any stage.

The process for a non-POA sell transaction on a CDSL demat account:

1. You place a sell order without POA through the broker's platform.
2. The system redirects you to CDSL's e-DIS gateway.
3. You enter your CDSL-issued TPIN plus a one-time OTP sent to your registered contact details.
4. Shares are released for sale only after the CDSL gateway confirms the authorisation.

For NSDL demat accounts, SEBI has mandated OTP-based consent for off-market transfers, and retail brokers offer equivalent non-POA workflows for delivery sell transactions. In short, POA is optional if you are comfortable with TPIN or e-DIS authentication for equity delivery, mutual fund, and IPO transactions.

#Risks, Safeguards, and Revocation

#Misuse Risks

SEBI's 2010 intervention was prompted by documented cases of brokers compelling clients to sign broad, irrevocable POAs. Common misuse patterns that led to the rules include:

• Transferring client securities for off-market purposes or pledging them against the broker's own obligations
• Selling or moving client securities without explicit orders
• Using client assets to post margin without proper pledge structures in the depository system
• Including clauses where brokers disclaim liability for losses arising from their own use of POA authority

Misuse by an unscrupulous broker can lead to unauthorised share transfers, direct financial loss, and lengthy legal disputes. Read every clause of a POA before signing, and refuse any clause that grants powers beyond exchange settlement, margin pledging, and IPO or mutual fund applications made on your explicit instruction.

#Broker Safeguards

SEBI's framework establishes a "negative list" of activities that POA must not authorise: off-market transfers, trading without consent, opening new accounts, and assigning POA rights to third parties. The 2020 margin framework requires all margin obligations to be met through pledging or re-pledging in the depository system rather than through title transfer. Additional digital safeguards now in place across depositories and brokers include:

• TPIN plus OTP-based e-DIS flows for all non-POA demat accounts, so every debit is client-authorised
• SMS and email alerts sent by depositories directly to clients for all account debits and off-market transfers
• Periodic ledger and demat statements sent directly to clients, independent of broker systems

These measures, combined with the restrictions on permissible POA content, have materially reduced the scope for misuse compared with earlier market practice.

#Revocation

#How to Revoke a POA

POA is legally revocable at any time. SEBI's rules explicitly prohibit irrevocable POA clauses, and you keep the right to revoke at any point without affecting your ability to keep trading through the broker. Revocation does not require the broker's consent.

The revocation process:

1. Draft and sign a written revocation letter clearly identifying the demat account number, trading account number, and the name of the broker or DP.
2. Submit the letter to the broker or depository participant, either in person or through an acceptable, documented channel.
3. Obtain written acknowledgement of receipt at the time of submission.
4. Follow up within a few working days to confirm the POA markings have been removed from the depository's records.

After revocation, all securities transfers are processed only via e-DIS, TPIN-based authorisation, physical Delivery Instruction Slips, or fresh authorisations you issue.

#Broker Obligations After Revocation

Once a valid revocation instruction is received and processed, the broker must immediately stop acting under the POA. Continued use of a revoked POA is unauthorised activity and attracts regulatory action from SEBI and the relevant depository. After revocation, the broker must ensure you can keep operating your demat account and trading using one of the following:

• Physical DIS (Delivery Instruction Slip) submitted directly to the DP
• e-DIS via the depository's online gateway
• TPIN-based authorisation for each sell transaction
• OTP-based consent for applicable transfer types

A broker cannot deny you access to trading or demat services because you have withdrawn your POA.

Investments in securities markets are subject to market risks. Read all the related documents carefully before investing.

#Conclusion

A POA in a demat account is a convenience, not an obligation. It automates the securities debits that settle your trades. Still, SEBI's framework keeps it tightly limited: no off-market transfers, no trading without your consent, no access to your bank account, and it is revocable at any time. 

With TPIN and e-DIS now widely available, you can trade comfortably without one, so sign a POA only after reading every clause and confirming it is narrowly scoped. To open an account with clear, SEBI-compliant authorisation options, you can open a free Demat account with SMC.