What is TPIN in a Demat Account?


TPIN stands for Transaction Personal Identification Number, a special four-digit number used to approve transactions in a Demat account. With the help of a Demat account, you can hold your shares bonds, and other securities in an electronic form.

Investors may only sell their stocks or shares after confirmation, according to SEBI, the share market regulator. For improved investment protection, CDSL adopted e-DIS verification, which stands for an electronic delivery instruction slip. When equities are sold, this verification is carried out via TPIN. In order to buy or sell securities from your Demat account, you must enter your TPIN. With the TPIN, your Demat account is protected against unauthorised access or fraud.

TPINs protect accounts from unauthorised access and fraud by allowing only the account holder to make transactions. With this feature, transactions on the Demat account are protected by a separate password. You should keep your TPIN confidential and not share it with anyone in order to prevent unauthorised access to your account. You should change your TPIN as soon as possible if you suspect that it has been compromised. Now that you know what is TPIN, let's jump into how to generate it.

How Does TPIN Work?

TPIN works like this, first of all it is a 10-digit alphanumeric number issued by the Income Tax Department to all tax deductors and collectors. It serves as an identification number for TDS/TCS related transactions.

To get a TPIN, the deductor has to fill out and submit Form 49B along with proof of identity, address and business registration documents. The application can be made online or offline.  The Income Tax Department will issue the TPIN after the documents and details are verified. It is usually issued after opening your Demat account.

TPIN in share markets is important for Demat account holders & stock exchanges, as it enables proper tracking and reporting of tax deducted on income arising from investments and transactions in Demat accounts. As per income tax rules, brokers and depository participants are required to deduct TDS on income earned in Demat accounts at prescribed rates and deposit it with the Income Tax Department. In short, the TPIN serves as a key reference number for tracking TDS on Demat account earnings and ensures reporting compliance by brokers and depository participants. Covering what is TPIN, how its work clear your concept in different multiple ways.


How to Generate TPIN

Now let's look at the important process of generating a TPIN number. Generation of CDSL TPIN. You can generate your CDSL TPIN instantly online at the CDSL website.

  1. Go to the CDSL website or the DP (Depository Participant) website and log into your Demat account using your credentials.
  2. Go to the TPIN Registration section and click the Generate TPIN option.
  3. Enter your DP ID and Customer ID to verify your account details.
  4. Select the Generate TPIN option and enter your PAN (Permanent Account Number) and bank account details for authorization.
  5. Once your details have been verified, you will receive an OTP for your registered mobile number or email ID.
  6. Enter OTP and dial the 4-digit TPIN of your choice.
  7. Check the TPIN and submit the request.
  8. A TPIN will be generated, and a confirmation message will be sent to your registered mobile number or email ID. 

Benefits of TPIN

Having a CDSL TPIN (Trading Personal Identification Number) has several advantages for investors holding securities in a Demat account. Some of these benefits include:

  1. Increased Security

  2. TPIN provides an additional layer of security to investors when transacting over the phone. It ensures that only authorised individuals can place orders or make changes to their accounts.
  3. Saves Time

    By reducing the time required to complete transactions, TPIN saves time for investors or makes important changes to the account. The paperwork is eliminated, and time is saved for verification work.
  4. Decline in Fraud

    The risk of fraud gets reduced with the help of TPIN as it ensures that only the authorised person can access the account. It stops unauthorised transactions or changes to the account, reducing the risk of financial loss due to fraudulent activities.
  5. 4. Convenience 

    TPIN removes the requirement for investors to visit their broker’s office or repository participant’s office to place orders or make changes to their accounts. It allows investors to transact over the phone from their home or office.
  6. 5. User Friendly

    The TPIN is an easy and user-friendly security feature that can be set up and managed online. Knowing what is TPIN in the stock market can help you in multiple ways.


TPIN meaning varies from person to person, but in a nutshell, it is a four-digit numerical code that investors use to verify their identity when they talk to their broker or depository participant over the phone. The TPIN adds an extra layer of security to the Demat account, preventing fraud and ensuring that only the account holder can make transactions. As in stock trading, you understand what is TPIN, and its function & generation of TPIN.

The TPIN must be changed immediately if compromised, and confidentiality must be maintained. Greater security, convenience, defence against unauthorised access, control over transactions, and ease of use are all benefits of having a CDSL TPIN in a Demat account using a Demat account app.

FAQS on What is TPIN in a Demat Account

Yes, you can change your TPIN at any time by contacting your broker or depository participant.

There are many benefits of TPIN like increased security, saving time, decline in fraud, convenience, and easy to use.

TPIN is valid for 90 days, and after that you can also generate new TPIN

To set your 6-digit TPIN you need to open your stock broker portal, then click on verify holding & then you can set your 6-digit TPIN

TPIN is a six digit pin that can authorise your transaction on the stock market.

If you think someone has hold on your TPIN then you should reset your TPIN in order to avoid any unwanted transaction from your Demat account.