A comprehensive comparison of India's two securities depositories — NSDL and CDSL. Understand the differences, demat ID formats, market share, and how depositories connect to your physical share conversion.
RK Gupta, Practising Company Secretary · 30+ years experience
A depository is an institution that holds securities (shares, bonds, mutual fund units, government securities) in electronic form on behalf of investors. Think of it as a “bank for shares” — just as a bank holds your money, a depository holds your shares in electronic form in your demat account.
India has two SEBI-registered depositories:
NSDL full form is National Securities Depository Limited. It was established in 1996 as India's first depository, promoted by the National Stock Exchange (NSE), IDBI Bank, and UTI. NSDL pioneered the concept of dematerialisation in India and was instrumental in moving the Indian capital market from physical share certificates to electronic form.
CDSL full form is Central Depository Services Limited. It was established in 1999 as the second depository, promoted by the Bombay Stock Exchange (BSE) along with other leading banks. CDSL was created to provide competition and choice in depository services, and has since grown to become the largest depository by number of demat accounts.
Important: Both NSDL and CDSL are regulated by SEBI under the Depositories Act, 1996. They do not interact directly with investors. Instead, they work through intermediaries called Depository Participants (DPs) — which are your brokers and banks through whom you open your demat account.
A side-by-side comparison of the difference between NSDL and CDSL across all important parameters.
| Parameter | NSDL | CDSL |
|---|---|---|
| Full Form | National Securities Depository Limited | Central Depository Services Limited |
| Established | November 1996 | February 1999 |
| Promoted By | NSE, IDBI Bank, UTI | BSE, along with SBI, Bank of Baroda, HDFC Bank, and others |
| Headquarters | Mumbai | Mumbai |
| Demat ID Format | Starts with ‘IN’ + 14 digits (e.g., IN30012345678901). Total 16 characters. | 16-digit numeric number (e.g., 1234567890123456). All digits, no letters. |
| Number of DPs | ~280+ Depository Participants | ~590+ Depository Participants |
| Number of Demat Accounts | ~3.5 crore+ active accounts | ~13 crore+ active accounts (larger due to discount brokers like Zerodha, Groww) |
| Value of Securities Held | Higher value — ~Rs. 400 lakh crore+ (institutional and HNI dominated) | ~Rs. 80 lakh crore+ (retail-heavy) |
| Market Share (by accounts) | ~20–25% | ~75–80% |
| Market Share (by value) | ~75–80% | ~20–25% |
| Major DPs / Brokers | ICICI Direct, HDFC Securities, Kotak Securities, Axis Direct | Zerodha, Groww, Angel One, Upstox, Paytm Money |
| Listed on Stock Exchange | Not listed (as of 2025) | Listed on NSE & BSE (stock code: CDSL) |
| Regulator | SEBI | SEBI |
| Safety | Equally safe — SEBI-regulated, investor protection fund | Equally safe — SEBI-regulated, investor protection fund |
This is one of the most common questions investors ask: NSDL vs CDSL which is better? The honest answer is — neither is inherently better. Here is why:
The real choice is your broker/DP, not the depository. When you open a demat account with a broker, the broker's depository is automatically assigned. For example, if you open an account with Zerodha, your shares go to CDSL. If you choose ICICI Direct, they go to NSDL.
Our Recommendation: Focus on choosing the right broker based on brokerage charges, platform quality, customer service, and research tools. The depository (NSDL or CDSL) should not be a deciding factor. Both are equally safe and efficient for your investments. To learn more about demat account charges, read our blog on demat account charges explained.
Not sure whether your demat account is with NSDL or CDSL? Here are simple ways to find out:
Your CAS, which is sent monthly by email, will clearly mention whether it is from NSDL or CDSL at the top of the statement.
Log in to your broker's platform and look at your demat account details. The depository name (NSDL or CDSL) is usually displayed in your account profile or settings.
Converting Physical Shares? When you convert physical shares to demat, the shares are dematerialised into whichever depository your broker uses. If you want your shares in a specific depository, choose your broker/DP accordingly. Read our complete guide on converting physical shares to demat.
If you are holding old physical share certificates, understanding the depository system is essential for your conversion to demat. Here is how it works:
The process is the same regardless of whether your demat account is with NSDL or CDSL. Both depositories coordinate seamlessly with all RTAs.
Need help converting physical shares to demat? Our team handles the entire process — from DRF preparation to RTA coordination. We work with both NSDL and CDSL depository participants across India. Contact us on WhatsApp.
Also read: How to Close a Demat Account if you have multiple accounts and want to consolidate.
Answers to the most common questions about NSDL, CDSL, and demat accounts.
Whether your demat account is with NSDL or CDSL, our team handles the entire physical-to-demat conversion process. Document preparation, DRF filing, and RTA coordination included.
Or email us at guptarkcs@gmail.com