NISM-Series-VI: Depository Operations · Introduction to Depository

Concept and Need for a Depository in India

Updated 11 October 2026 · Fact-checked

A depository is an organisation that holds an investor's securities in electronic form and records their transfer by book entry. It was needed because physical certificates caused theft, forgery, delays and paperwork. Dematerialisation converts paper certificates into electronic holdings, so trades settle faster and safer.

Understand Concept and Need for a Depository

A depository is like a bank for securities. A bank holds your money in an account and moves it by entries. A depository holds your shares, bonds and other securities in an account and moves them by entries. You never handle paper.

Before depositories, you got a physical share certificate. To sell, you handed over the certificate with a signed transfer deed. The buyer then sent it to the company or its registrar to register the transfer. This was slow and risky. Certificates could be lost, stolen, forged or damaged. Signatures could be mismatched. Transfers could be delayed or rejected. Some deliveries were "bad" and trades failed.

Dematerialisation (demat) is the process of converting physical certificates into electronic form. The securities are credited to your demat account. The reverse process, rematerialisation, converts electronic holdings back into paper certificates.

In India, the Depositories Act, 1996 created the legal framework, and SEBI regulates depositories. The two depositories are NSDL and CDSL. You do not deal with a depository directly. You open your account through a Depository Participant (DP), which is the agent of the depository.

In a depository, securities are held in a fungible form. Ownership is recorded in the books of the depository. The investor stays the beneficial owner, while the depository is the registered owner in the issuer's records. Transfers happen by account debit and credit, with no transfer deed and no stamp duty on the transfer of securities in the usual demat form.

Key formulas to remember

Depository (definition): Depository = organisation that holds securities in electronic form and effects transfer by book entry; Know this wording. Exam options often swap it with a stock exchange, clearing corporation or bank.
Dematerialisation: Physical certificates → electronic holding (demat); Rematerialisation is the reverse: electronic → physical certificates.
Ownership in a depository: Depository = registered owner; Investor = beneficial owner; The investor keeps all rights and benefits of the securities.
Access route: Investor → Depository Participant (DP) → Depository (NSDL or CDSL); An investor opens an account with a DP, not with the depository directly.
Law and regulator: Depositories Act, 1996; regulator: SEBI; The Act gave legal backing to holding and transferring securities electronically.

How to solve Concept and Need for a Depository questions

Most questions on this topic test definitions, the problem with paper, or who does what. Use this method.

1Read the question stem and mark the key word: depository, DP, demat, remat, beneficial owner or registered owner.
2Decide the type: definition, need or benefit, comparison with physical, or roles.
3Recall the matching rule from your notes, such as book-entry transfer or DP as agent.
4Remove options that describe another entity, for example an exchange, clearing corporation or bank.
5Watch for absolute words like "only", "always" and "never". They are often traps.
6Choose the option that fits the exact wording and re-read the stem once.

Quickest way: Entity-matching shortcut

When to use it: Use it when the question asks who does what, or which statement is correct, and time is short.

Link each word to one job: depository holds securities, DP is the agent, demat converts paper, remat reverses it.
Link problems with paper to: theft, forgery, loss, delay, bad delivery, paperwork.
Link benefits of demat to: safety, speed, lower cost, easy transfer.
Eliminate options that mix these links, then pick the one left.

Common mistakes in Concept and Need for a Depository

Saying an investor opens an account directly with NSDL or CDSL.
Students assume the depository works like a bank with its own branches.
Fix: Remember that the DP is the agent and the investor's point of contact. The account is opened through a DP.
Confusing a depository with a stock exchange or clearing corporation.
All three appear in the settlement chain, so their jobs blur.
Fix: A stock exchange provides the trading platform. A clearing corporation handles clearing and settlement obligations. A depository holds securities and records transfers.
Mixing up registered owner and beneficial owner.
Both words mean "owner" in everyday use.
Fix: The depository is the registered owner in the issuer's books. The investor is the beneficial owner with the rights and benefits.
Thinking dematerialisation and rematerialisation mean the same thing.
The words look alike and are learned together.
Fix: Demat turns paper into electronic form. Remat turns electronic holdings back into paper.
Treating demat as a way to hold only shares.
Most examples use equity shares.
Fix: Depositories hold many securities, such as bonds, debentures and units of mutual funds, in electronic form.

Worked examples

Example 1

Which of the following best describes a depository?
A. A platform where buyers and sellers place orders for securities
B. An organisation that holds securities in electronic form and transfers them by book entry
C. An entity that guarantees settlement of trades between members
D. A registrar that issues physical share certificates

Show the solution

The key idea is holding securities electronically and transferring by book entry.
Option A describes a stock exchange, which provides the trading platform.
Option C describes a clearing corporation, which guarantees settlement.
Option D describes a registrar and transfer agent working with paper.
Option B matches the definition of a depository.

Answer: B

Example 2

Which of the following is a problem of holding securities in physical form that demat addresses?
A. Investors cannot receive dividends
B. Risk of loss, theft, forgery and delay in transfer
C. Companies cannot issue securities
D. Securities cannot be sold at all

Show the solution

Physical holding does not stop dividends, so A is wrong.
Companies could issue physical securities, so C is wrong.
Physical securities could be sold, so D is overstated.
The real problems were loss, theft, forgery, bad delivery and slow transfer, which is B.

Answer: B

Exam tips

Learn the one-line definition of a depository word for word. It is the most tested idea here.
Expect questions that ask you to separate the depository, DP, stock exchange and clearing corporation.
Know the list of paper-era problems: loss, theft, forgery, delay, bad delivery and paperwork.
Remember beneficial owner versus registered owner. Examiners like this pair.
Be careful with negative marking. If two options look close, check the exact role named in the stem before guessing.

Practice questions from Introduction to Depository

Concept and Need for a Depository: frequently asked questions

What is a depository in simple words?

A depository holds your securities in electronic form, like a bank holds your money. It moves them between accounts by book entry. You use it through a Depository Participant.

Why was a depository system needed in India?

Physical certificates were slow to transfer and were open to loss, theft and forgery. Bad delivery and heavy paperwork also delayed settlement. Depositories and demat solved these problems.

What is the difference between physical and dematerialised securities?

Physical securities are paper certificates that need a signed transfer deed to change hands. Dematerialised securities are held as electronic entries in a demat account and move by debit and credit.

Which are the depositories in India?

NSDL and CDSL are the two depositories in India. They work under the Depositories Act, 1996 and are regulated by SEBI.