Skip to content

NISM-Series-VI: Depository Operations · Functions of Depository Participant - Dematerialisation

Dematerialisation Concept and Process Overview for NISM Depository Operations

Updated 11 October 2026 · Fact-checked

Dematerialisation is the conversion of physical share certificates into electronic balances in a demat account. The investor submits a demat request form and the certificates to the DP. The DP sends an online request to the depository and the papers to the RTA. After the issuer confirms, the depository credits the account.

Understand Dematerialisation Concept and Process Overview

Dematerialisation means converting securities held as paper certificates into electronic form. The paper is cancelled. The holding is then recorded as a balance in the investor's demat account with a Depository Participant (DP).

Why do it? Paper certificates can be lost, stolen, forged or damaged. Transfer of paper needs a transfer deed, stamp duty and physical delivery, which is slow. Electronic holdings settle quickly, are safer and are easy to transfer. Under SEBI rules, shares of listed companies are traded and settled in electronic form.

Four parties are involved. The investor holds the certificates and has a demat account. The DP is the investor's agent for the depository. The issuer is the company that issued the securities. The RTA (Registrar and Transfer Agent) keeps the issuer's records and does the processing for it. The depository (NSDL or CDSL) holds the electronic records and links all of them.

The flow in brief: the investor gives the DP a Demat Request Form (DRF) with the certificates. The DP checks them and marks them "Surrendered for Dematerialisation". The DP enters a demat request in the depository system. The DP then forwards the DRF and the certificates to the RTA. The RTA verifies them against its records and, if all is in order, confirms the request to the depository. The depository then credits the investor's demat account, which the investor holds through the DP. After confirmation, the issuer/RTA mutilates and cancels the old certificates, and the depository's name appears in the issuer's register as registered owner. The investor stays the beneficial owner.

Only securities that are already admitted with the depository, that is, that have an ISIN, can be dematerialised. The names on the certificates must match the names in the demat account, in the same order.

Key formulas to remember

Core definition
Physical certificate → cancelled → electronic balance in demat account
The security does not change. Only its form changes.
Process flow order
Investor → DP → Depository (online request) → RTA/Issuer (verification and confirmation to the depository) → Depository credits the investor's demat account (held through the DP)
Remember that the DP sends the request online to the depository and the papers physically to the RTA. The RTA confirms to the depository, which then credits the account.
Ownership after demat
Registered owner = Depository; Beneficial owner = Investor
The investor keeps all rights, such as dividend and voting, as beneficial owner.
Name matching rule
Names and order on certificates = names and order in demat account
A mismatch leads to rejection of the request.
Cancellation of certificates
DP marks certificates "Surrendered for Dematerialisation" → after confirmation, issuer/RTA mutilates and cancels them
Once the securities are credited, the certificates have no further use.

How to solve Dematerialisation Concept and Process Overview questions

Use this method for any question on dematerialisation concept or flow.

  1. 1Identify what the question asks: meaning, reason, a party's role, or the order of steps.
  2. 2Name the four parties involved: investor, DP, issuer, RTA, plus the depository.
  3. 3If the question is about order, recall the sequence: DRF with certificates to DP, DP's online request, papers to RTA, RTA confirmation, credit.
  4. 4Check who does what: the DP accepts and forwards, the RTA verifies and confirms, the depository credits.
  5. 5Check conditions: ISIN exists, names match, certificates are in the investor's name, and the DRF is signed.
  6. 6Eliminate options that give a role to the wrong party or reverse the order.
  7. 7Pick the option that fits the Depositories Act position that the investor is the beneficial owner.

Quickest way: Role-and-order check

When to use it: Use it for MCQs that ask who does what or what comes first in demat.

  1. Recall the chain: Investor, DP, Depository, RTA, Depository, DP, Investor.
  2. Match the verb to the party: submits (investor), forwards (DP), verifies (RTA), credits (depository).
  3. Strike out any option that has the investor dealing directly with the RTA or depository.
  4. Strike out any option that says the securities change in nature.

Common mistakes in Dematerialisation Concept and Process Overview

  • Saying the investor sends the certificates to the RTA directly.

    Students think the RTA holds the records, so it must receive the papers first.

    Fix: The investor always goes through the DP. The DP forwards the papers to the RTA.

  • Treating the depository as the beneficial owner.

    The depository's name appears in the issuer's register.

    Fix: The depository is only the registered owner. The investor is the beneficial owner with all rights.

  • Thinking dematerialisation creates new securities.

    The word 'conversion' sounds like issue.

    Fix: The same securities change form. Old certificates are cancelled and no new securities are issued.

  • Believing any security can be dematerialised.

    Students ignore the ISIN requirement.

    Fix: Only securities admitted with the depository, with an ISIN, can be dematerialised.

  • Mixing up who verifies the certificates.

    The DP receives the papers first, so it seems to verify them.

    Fix: The DP does a preliminary check. The issuer or RTA verifies authenticity and confirms.

Worked examples

Example 1

Arrange the steps of dematerialisation in the correct order: (i) RTA confirms the request to the depository; (ii) investor submits DRF and certificates to DP; (iii) DP sends an online request to the depository and the papers to RTA; (iv) depository credits the investor's account.

Show the solution
  1. The investor must start, so (ii) comes first.
  2. The DP then raises the request and forwards the papers, so (iii) is second.
  3. The RTA can confirm only after receiving the papers and request, so (i) is third.
  4. The credit follows confirmation, so (iv) is last.

Answer: (ii), (iii), (i), (iv)

Example 2

After dematerialisation of shares, who is the registered owner and who is the beneficial owner in the issuer's records?

Show the solution
  1. After demat, the depository's name is entered in the issuer's register of members.
  2. So the depository is the registered owner.
  3. The investor's name is in the depository's records as the holder of the electronic balance.
  4. The investor therefore enjoys the benefits, such as dividend and voting rights, as beneficial owner.

Answer: The depository is the registered owner, and the investor is the beneficial owner.

Exam tips

  • Learn the flow as a chain of parties. Many questions only test who acts at which step.
  • Watch for options that reverse registered owner and beneficial owner.
  • Questions on reasons for demat expect points like safety, speed, no stamp duty on transfer and much lower risk of loss, theft and forgery.
  • If an option mentions a security without an ISIN being dematerialised, it is likely wrong.
  • Since NISM-Series-VI has negative marking of 25% of the marks assigned to a question, skip a question you cannot place rather than guess blindly.

Practice questions from Functions of Depository Participant - Dematerialisation

Dematerialisation Concept and Process Overview in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

Dematerialisation Concept and Process Overview: frequently asked questions

What is dematerialisation in simple words?

It is the conversion of paper share certificates into electronic holdings in a demat account. The certificates are cancelled and the same securities are shown as a balance with the depository.

Who is involved in the dematerialisation process?

The investor, the DP, the issuer company, its RTA and the depository. The investor deals only with the DP. The DP coordinates with the depository and the RTA.

Does the investor lose ownership after dematerialisation?

No. The depository becomes the registered owner in the issuer's books, but the investor remains the beneficial owner. All rights such as dividends and voting stay with the investor.

What is the role of the RTA in demat?

The RTA verifies the certificates and the request against the issuer's records. If correct, it confirms the request to the depository so that the account can be credited. The issuer/RTA then mutilates and cancels the certificates, which the DP had marked "Surrendered for Dematerialisation".