Published Feb 5, 2026 4 Min Read

What is a Personal Identification Number (PIN)?

A Personal Identification Number (PIN) is a unique combination of numbers used to verify your identity during financial transactions. Think of it as a digital key that ensures only you can access your accounts or authorise payments. Typically, PINs consist of 4 to 6 digits and are widely used across various platforms, including:

  • ATMs: For cash withdrawals and balance checks.
  • Credit and Debit Cards: To authorise payments.
  • UPI Transactions: For seamless and secure digital payments.

For instance, when you withdraw money from an ATM, your PIN ensures that only you can access the funds in your account. Similarly, when making a UPI payment, your PIN protects against unauthorised transactions.

Why is a PIN important?

The role of a PIN extends beyond convenience; it is a critical security measure that prevents fraud and identity theft. Without a PIN, anyone with access to your card or device could misuse your financial information. By keeping your PIN secure, you are safeguarding your finances and personal data.

Pro Tip: Always use a PIN that is difficult to guess, avoiding common patterns like “1234” or your birth year.

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Step-by-Step: How to Securely Find or Reset My PIN

Forgot your PIN or need to reset it? Follow these simple steps to retrieve or reset your PIN securely:

1. Finding your PIN

If you have forgotten your PIN, you can retrieve it through the following methods:

  • Bank Statement or Welcome Kit: Some banks include your PIN in the welcome kit provided during account or card issuance. Check this document carefully.
  • Banking App or Internet Banking: Log into your banking app or internet banking account. Navigate to the card services or PIN management section, and follow the instructions to retrieve your PIN securely.

2. Resetting your PIN

Resetting your PIN is straightforward and can be done through these methods:

  • ATM: Visit your bank’s ATM, insert your card, and choose the ‘Forgot PIN’ or ‘Change PIN’ option. You may need to verify your identity using an OTP sent to your registered mobile number.
  • Mobile Banking App: Most banking apps allow you to reset your PIN under the card management section. Verify your identity using an OTP or biometric authentication, and set a new PIN.
  • Customer Support: If you cannot access digital platforms, contact your bank’s customer support. Verify your identity, and they will guide you through the process.

Important Tip: Always reset your PIN in a private setting to avoid unauthorised access.

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What to Do if Your Personal Identification Number is Compromised?

If you suspect that your PIN has been compromised, it is essential to act quickly to secure your accounts. Here is what you should do:

1. Block your card or account

Immediately contact your bank or financial institution to block your card or account temporarily. This prevents any unauthorised transactions.

2. Change your PIN

Reset your PIN using the steps mentioned above. Ensure that your new PIN is unique and not similar to your previous one.

3. Monitor your account activity

Keep a close eye on your account statements and transaction history. Report any suspicious activity to your bank immediately.

4. Avoid predictable PINs

When creating a new PIN, avoid using easily guessable combinations such as “1111,” “0000,” or your birthdate. A strong PIN increases your account’s security.

Pro Tip: Change your PIN regularly, even if it has not been compromised, to maintain optimal security.

Frequently Asked Questions

What should I do if I forget my personal identification number?

If you forget your PIN, you can retrieve or reset it using your bank’s services. Log into your banking app or internet banking account, or visit an ATM to reset your PIN. You may need to verify your identity using an OTP or other authentication methods.

Can I use the same personal identification code for my ATM and UPI?

While it may seem convenient, reusing the same PIN across multiple platforms is not recommended. Using unique PINs for your ATM, UPI, and other accounts reduces the risk of fraud. If one PIN is compromised, your other accounts will remain secure.

Why do some banks use a 6-digit personal identification number instead of 4?

Six-digit PINs offer enhanced security as they provide a larger number of possible combinations compared to 4-digit PINs. This reduces the likelihood of PIN-based fraud and makes it more challenging for unauthorised users to guess your PIN.

Is it safe to store my personal identification number in a password manager?

Yes, using a password manager can be a safe way to store your PINs, provided you choose a reputable service. Ensure that the password manager is protected with a strong master password and enable two-factor authentication (2FA) for added security.

How often should I change my personal identification code for security?

It is recommended to change your PIN every 3 to 6 months to maintain optimal security. Regular updates minimise the risk of PIN compromise and ensure your accounts remain secure.

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