CDSL vs NSDL – What is the Difference Between CDSL and NSDL?

By REPAKA PAVAN ADITYA

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Updated on: May 8th, 2025

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4 min read

When you want to buy or sell shares in the stock market, you need a safe place to keep them. Think of it like a bank where you store your money, but instead of money, you store shares. In India, two main organizations, called CDSL (Central Depository Services Limited) and NSDL (National Securities Depository Limited), act like these special banks for shares. They hold your shares in an electronic form, so you don’t have to worry about physical certificates. This article explains what CDSL and NSDL are, how they work, and how they are different.

What Are CDSL and NSDL?

CDSL and NSDL are like big, secure storage houses for your shares, bonds, and other investments. When you buy shares of a company, they don’t come to you as paper certificates anymore. Instead, they are stored electronically in your account with either CDSL or NSDL. These organizations make sure your shares are safe, and they help transfer them when you buy or sell.

Both CDSL and NSDL are approved by the Indian government and follow rules set by an authority called SEBI (Securities and Exchange Board of India). They do the same job keeping your shares safe and making trading easy but they work with different stock exchanges and have a few differences.

How Do CDSL and NSDL Work?

To buy or sell shares, you need two types of accounts:

  • Demat Account: This is where your shares are stored electronically, like a bank account for shares.
  • Trading Account: This is what you use to buy or sell shares on the stock market.

When you buy shares, they go into your Demat account. CDSL or NSDL is the one actually holding these shares for you in their system. When you sell shares, they are taken out of your Demat account, and CDSL or NSDL transfers them to the buyer’s account. The money from the sale goes to your bank account.

This process happens in T+2 / T+1 / T days, which means same or one or  two working days after the trading day. For instance, if you buy shares on Monday, they will show up in your Demat account by Monday / Tuesday / Wednesday. Similarly, when you sell, the money reaches your bank account in two days.

You cannot directly open an account with CDSL or NSDL. Instead, you go to a Depository Participant (DP), like a bank or a stockbroker. These DPs act like a middleman and help you open a Demat account linked to either CDSL or NSDL.

Why CDSL and NSDL is Important?

Before CDSL and NSDL existed, people used physical share certificates, which were like pieces of paper proving you owned shares. These certificates could get lost, stolen, or damaged. Transferring them to someone else was slow and risky, and there was a lot of paperwork. Sometimes, fake certificates caused problems.

CDSL and NSDL changed all that. They store shares electronically, so there’s no need for paper certificates. This makes trading:

  • Faster: Shares move from one account to another quickly.
  • Safer: No risk of losing or damaging certificates.
  • Easier: Less paperwork and no chance of fraud.
  • Cheaper: You don’t have to pay stamp duty for transferring shares.

Both CDSL and NSDL handle huge numbers of shares every day, making the stock market smooth and reliable for everyone.

What Is NSDL?

NSDL, or National Securities Depository Limited, was started in August 1996. It was one of the first depositories in India and is now one of the largest in the world. It works closely with the National Stock Exchange (NSE), which is one of India’s biggest stock markets.

NSDL holds your shares, bonds, and other investments in electronic form. As of March 2022, it had around 2.66 crore Demat accounts. Big organizations like the National Stock Exchange, Unit Trust of India (UTI), and Industrial Development Bank of India (IDBI) support NSDL.

When you open a Demat account linked to NSDL, your account number will start with “IN” followed by 14 digits, like IN12345678901234.

What Is CDSL?

CDSL, or Central Depository Services Limited, was started in 1999. It works closely with the Bombay Stock Exchange (BSE), another major stock market in India. CDSL is special because it is the only depository in India listed on the stock exchange itself, meaning people can buy shares of CDSL on the NSE.

CDSL also holds shares, bonds, mutual funds, and other investments electronically. As of March 2022, it had over 6 crore Demat accounts, which is more than NSDL. Big organizations like BSE, State Bank of India (SBI), HDFC Bank, and Bank of Baroda support CDSL.

If your Demat account is with CDSL, your account number will have 16 digits, like 1234567890123456.

How Are CDSL and NSDL Different?

Feature

NSDL

CDSL

Stock Exchange Connection

Mainly works with NSE

Mainly works with BSE

Year Established

1996

1999

Demat Account Number Format

Starts with “IN” + 14 digits

16-digit numeric format

Number of Demat Accounts

Around 2.66 crore 

Over 6 crore

Depository Participants

Around 289

Over 577

Promoters

NSE, UTI, IDBI

BSE, SBI, HDFC Bank, and others

Listed on Stock Exchange

Not listed

Listed on NSE

Do You Choose Between CDSL and NSDL?

As an investor, you don’t usually get to pick between CDSL and NSDL. When you open a Demat account through a bank or broker (the Depository Participant), they decide whether your account will be linked to CDSL or NSDL. This depends on which depository they work with or find more convenient.

For example, if your broker works with CDSL, your Demat account will be with CDSL. If they work with NSDL, it will be with NSDL. The good news is that both are safe, reliable, and regulated by SEBI, so you don’t need to worry about which one you get.

Why Does This Matter to You?

Whether your Demat account is with CDSL or NSDL, the services you get are almost the same. Both make sure your shares are safe, and both make buying and selling shares easy. The differences, like which stock exchange they work with or how many digits are in your account number, don’t affect your day-to-day trading.

However, knowing about CDSL and NSDL helps you understand how the stock market works behind the scenes. It’s like knowing how a bank keeps your money safe—you don’t need to know every detail, but it’s good to have a basic idea.

Fun Facts About CDSL and NSDL

  • CDSL is the only depository in the Asia-Pacific region listed on a stock exchange.
  • NSDL was the first depository in India, paving the way for electronic trading.
  • Together, CDSL and NSDL hold billions of shares for millions of investors, making India’s stock market one of the most advanced in the world.

Conclusion

CDSL and NSDL are like the backbone of the stock market in India. They keep your shares safe in electronic form, make trading fast and easy, and eliminate the risks of physical certificates. While NSDL works with the NSE and CDSL works with the BSE, both are equally reliable and regulated by SEBI. Your bank or broker chooses whether your Demat account is with CDSL or NSDL, but as an investor, you get the same great service either way.

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About the Author
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REPAKA PAVAN ADITYA

Stocks and Mutual Funds Research Analyst
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I manifest my zeal in financial quantitative & quantitative research and have been instrumental in creating a robust process for the evaluation and monitoring of mutual funds. I’m responsible for Equity and Mutual Funds Research while creating instrumental mathematical models for portfolio construction after evaluating funds, and I play an integral role in analyzing changes in mutual funds, micro, and macro-economic indicators, and equity market events and trends. My views on asset classes which are integral in creating an investment strategy for any profile. Read more

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