The introduction of demat accounts in India has reduced the use of physical securities, eliminating the risk of theft of securities. This account allows investors to hold securities digitally after buying them from the securities market. As per the SEBI regulations, demat account holders must provide a confirmation using a one-time password to sell shares.
Here, a CDSL TPIN helps avoid the theft of shares and ensure safety. While selling shares digitally, this TPIN is used as a password to verify the transaction. Read this blog to understand TPIN’s meaning and significance as well as its advantages and disadvantages.
Understanding the TPIN
The TPIN full form is the Transaction Personal Identification Number, and it’s a unique password issued by a depository to an investor/trader. A depository is a central organisation that holds securities electronically on behalf of investors in the stock market. Depositories send the TPIN to a trader’s mobile number or email address. This six-digit verification number allows people to sell specific amounts of shares from their demat accounts through their brokers.
Traders can generate or reset a TPIN online by using a depository’s website or application. This can be done through a One-Time Password (OTP) verification process. Every trader must protect their TPIN by keeping it confidential and not sharing it with others. This number should not be shared even with brokers as it maintains the safety of accounts.
Importance of TPIN
The TPIN (Transaction Personal Identification Number) is a crucial security feature for Indian investors using Demat accounts. It acts as a second layer of protection, ensuring that only the account holder can authorise the sale of shares or securities. By requiring TPIN verification for every sell transaction, the risk of unauthorised access and fraudulent activities is significantly reduced. This system replaces the earlier practice of giving brokers a Power of Attorney, giving investors greater control and peace of mind. Regulatory bodies like SEBI have made TPIN mandatory to enhance investor protection and maintain the integrity of the stock market. Keeping your TPIN confidential is essential for safeguarding your investments.
How To Change TPIN?
- Visit your broker’s trading platform or the CDSL website.
- Log in using your Demat account credentials.
- Go to the TPIN section or security settings.
- Select the option to generate or change TPIN.
- Enter the required details and follow the on-screen instructions.
- You will receive an OTP on your registered mobile number and email.
- Enter the OTP to authenticate your request.
- Set your new TPIN and confirm the change.
Your new TPIN will be updated and ready for use.
Process Explained: How Does TPIN Function?
A TPIN works as an additional layer of authentication for online securities transactions. Every trader must provide a TPIN along with their login credentials to permit a transaction. The TPIN is valid only for one trading day and only for specific security from a demat account. Let us take an example to understand the whole process and the function of a TPIN.
Consider you want to sell 500 shares of company ABC. You need to select the specific quantity of shares of a particular stock after logging in to your trading account. Then, you have to enter the TPIN to confirm the transaction.
After that, the depository will send the confirmation to the broker that you have authorised the debit of the 500 quantity of ABC shares from your demat account. The broker will execute the transaction and then send the proceeds from this sale to your bank account.
Why Should Traders Use a CDSL TPIN?
A TPIN is a vital password that allows you to sell shares and other securities from your demat account. If your depository participant (DP) is registered with the Central Depository Services Limited (CDSL), you must enter a CDSL TPIN while making a transaction. This ensures the safety of your demat account holdings.
In addition, there are several important reasons why TPIN is important for investors. Below are some of these reasons:
- Security: TPIN ensures the demat accounts are protected from unauthorised access, safeguarding the traders against fraud and unwanted transactions.
- Streamlined Authentication: The TPIN allows quick approvals of transactions of your shares with the help of a mobile phone. This reduces the need for traditional methods like physical signatures and documents.
- Greater Accessibility: A TPIN allows easy access while selling your shares. Traders can manage their investments and trades by staying at home without any paperwork.
- Increased Control: This security feature helps traders maintain control of their demat account transactions. Traders have better control of their transactions as they can review each of them by entering the TPIN.
- Regulatory Compliance: The Securities and Exchange Board of India (SEBI) regulates the implementation of TPIN in demat accounts. These regulations are set to safeguard the interests of traders and uphold the integrity of the securities market.
Advantages of a TPIN
Buying or selling shares via your demat account in earlier times required extensive authorisations for transactions to go ahead. Before TPINs, you had to sign a Power of Attorney (POA) document for your broker. A common advantage of using TPIN is that traders can avoid these time-consuming processes.
Here are some of the most notable benefits of TPINs:
- You can ensure security and protection while making online transactions using a TPIN. It does not allow any unauthorised access, misuse, or securities fraud in contrast to previous methods. The TPIN ensures only you can authorise the transaction of securities from your demat account.
- A TPIN eliminates the need to sign a POA document, which used to be mandatory to permit a broker to access your demat account. This makes your online trading of securities simple and streamlined. Using a TPIN lessens the paperwork, unnecessary time, and cost of trading.
- This six-digit password gives more control and transparency while making transactions. You can easily revoke or change the TPIN online at any time without hassle. It allows you to monitor and track your transactions and holdings via the depository’s app.
- The TPIN makes online trading efficient and convenient. You can trade anytime and anywhere with your cell phone or other devices, and transactions are executed faster with its help.
Steps to Generate a TPIN
Since you have understood the benefits of CDSL TPIN, you must know the process of generating a TPIN. You can generate a TPIN using the website of CDSL with these below steps:
- Step 1: Visit the official CDSL website.
- Step 2: Find out the link ‘Generate e-DIS TPIN’ and click on it.
- Step 3: Enter your demat account number and the PAN card details. Then click on the ‘Next’ option.
- Step 4: You will receive an OTP in your mobile number and email address. Enter the OTP in the required field.
- Step 5: You will get a generated TPIN after the completion of the above steps.
Once you have the TPIN, you may sell shares of any stock from your demat account. You can also generate a TPIN at your broker’s platform to sell securities. If you don’t have an account, log in with Torus Digital and open a free demat account for its low charges and other benefits.
How to Change Your TPIN in a Demat Account?
A TPIN is critical throughout your trading activity, and you must keep it private to maintain the safety of your investments. If you forget your TPIN, you need to follow the procedure to reset it. The steps below will guide you through changing your TPIN:
- Step 1: Visit your depository participant’s web portal or application.
- Step 2: Go to the account settings or security settings section and opt for reset or generate TPIN.
- Step 3: Complete the identity verification process by entering your email address, mobile number, and demat account number.
- Step 4: You will receive an OTP to verify the details. You must enter it into the designated block to proceed further.
- Step 5: Then, you have to choose a new TPIN that you can remember, which is also difficult to guess.
- Step 6: You will receive a final confirmation mail that your TPIN has been changed.
Steps to Use TPIN for Selling Shares
Once you understand what TPIN is, it’s essential to learn the complete process of using it to sell shares from your Demat account. Follow these steps to ensure safety while moving the shares from your holdings in the market:
- Step 1: Log in to your trading and demat account from your brokerage platform and select the shares that you want to sell.
- Step 2: After placing the sell order, you will receive the authorisation request via your email or SMS.
- Step 3: Click the link and enter your demat account number.
- Step 4: Now enter your six-digit TPIN number to authorise your sell transaction. Make sure you have entered the OTP you received into your phone number.
- Step 5: Your shares will be sold from your demat account once the OTP verification is completed.
Final Thoughts
Trading securities via your demat account requires extensive knowledge regarding what TPIN is. A CDSL TPIN is basically an added security layer that protects traders’ shares while they are being sold. Traders will benefit while selling shares as it does not allow any unauthorised access.
A TPIN also reduces the paperwork, time-wasting, and expense of earlier processes for making online transactions. Traders also have the option to change their TPIN in case they forget it. Every trader must keep this number safe since it acts as the final confirmation before selling shares.

