Aadhaar Biometric update: Process, fees and documents

Aadhaar Biometric update: Process, fees and documents

Aadhaar biometric updates cost ₹125 in applicable cases and require a visit to an Aadhaar enrolment centre. Read the guide for more details.
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Last reviewed: September 2026.


Key takeaways

 

An Aadhaar biometric update refreshes the fingerprints, iris scans and facial photograph associated with your Aadhaar. The update is completed at an Aadhaar Enrolment Centre, where an operator captures and submits your new biometric information.


  • Process: The operator captures your updated biometrics and submits the request at the centre.


  • Fee: The biometric update fee is ₹125 for adults under UIDAI’s current fee schedule.


  • Mandatory ages: Children must update their biometrics at ages 5 and 15. The first update between ages 5 and 7, and the applicable update between ages 15 and 17, is free.


  • Status tracking: Your acknowledgement receipt includes an Update Request Number (URN), which you can use to track the request through the myAadhaar portal.


Keep the acknowledgement receipt until the update is completed. The URN provides the reference needed to check its status.

Source: UIDAI, Updating Data on Aadhaar and Aadhaar Enrolment and Update fee schedule. 
 

What is an Aadhaar biometric?

Aadhaar biometrics refer to unique physical traits, such as fingerprints and iris scans, that are securely stored by the Unique Identification Authority of India (UIDAI). These details help verify your identity accurately for various services. Completing an Aadhaar card biometric update online or visiting an authorised centre for biometric update in Aadhaar ensures that your records remain correct and reliable.


Regularly updating biometric information improves authentication success and strengthens identity security. Since biometric data is unique to each individual, it offers a safer and more dependable method of identity verification compared to traditional documents or passwords.


Your Aadhaar plays a key role in personal loan eligibility checks and verification. Keeping your biometric and personal details updated helps lenders complete checks faster. You can ⁠check your personal loan eligibility using just your mobile number and OTP through a 100% online process.

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When is Aadhaar biometric update mandatory?

An Aadhaar biometric update becomes necessary when the biometric data linked to an Aadhaar card no longer matches the individual’s current identity details. This ensures accuracy in authentication for banking, loans, and other financial services. In many cases, updates are required to avoid verification issues during services like a personal loan quick approval process.


Situations when biometric update is required

  • When a child reaches the age of 5 years and needs fingerprint and iris updates
  • When the child turns 15 years and full biometric re-verification is required
  • In case of injuries, accidents, or medical conditions affecting fingerprints or iris
  • If facial features change significantly due to age or health conditions
  • When Aadhaar authentication fails repeatedly during verification processes

 

Why biometric update is important

  • Ensures smooth identity verification during financial transactions
  • Helps avoid rejection in services like banking and loan applications
  • Improves accuracy in government and financial databases
  • Reduces delays in services that depend on Aadhaar authentication

Keeping Aadhaar biometric details updated helps maintain smooth access to essential services and faster verification during financial processes.

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What are the methods of Aadhaar biometrics?

The Aadhaar system uses these biometric modalities to enhance the accuracy and reliability of identity verification, preventing duplication and fraud. The Aadhaar biometric primarily consists of two methods:


 

  • Fingerprint data: During Aadhaar enrolment, the fingerprint patterns of all ten fingers are captured using a biometric scanner, recording each individual’s unique ridges and swirls. The Aadhaar fingerprint update ensures this data remains current and accurate, playing a crucial role in authenticating and verifying identity.
     

  • Iris scan data: The Aadhaar enrolment process also includes capturing the iris scan of both eyes. This involves taking a high-resolution photograph of the iris, the coloured part of the eye. The iris scan is valuable for enhancing the accuracy of identification, especially in cases where fingerprint scans might be challenging due to factors like age, manual labour, or certain medical conditions.


  • Face Authentication: An AI/ML-based verification process that checks facial features and matches a live selfie with the original Aadhaar enrolment photo for identity confirmation.
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How to update Aadhaar biometrics?

You can update your Aadhaar biometrics by visiting an Aadhaar Enrolment Centre and submitting your fingerprints, iris scans and photograph in person.
 

  1. Find an Aadhaar centre: Use the UIDAI website to locate an Aadhaar Enrolment Centre or Aadhaar Seva Kendra. Book an appointment where the centre offers online appointment slots.
  2. Complete the update form: Fill in the Aadhaar Enrolment/Correction/Update Form and select the biometric details you want to update.
  3. Verify your Aadhaar details: The operator verifies your identity against your existing Aadhaar record before capturing the new biometric information.
  4. Provide your biometrics: The operator captures your ten fingerprints, two iris scans and a new facial photograph.
  5. Pay the applicable fee: The biometric update fee is Rs. 125 for adults. Mandatory biometric updates for children between 5 and 7 years and between 15 and 17 years are free within the applicable age windows.
  6. Keep the acknowledgement: The centre gives you an acknowledgement slip containing an Update Request Number (URN). Use the URN to check your update status through the myAadhaar portal.

    → When should you consider an update? If fingerprint or iris authentication repeatedly fails, an updated biometric record can address changes caused by age, injury or reduced fingerprint quality. Check the authentication issue before requesting a voluntary update.
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Documents required for Aadhaar biometric update

An Aadhar biometric update process is simple and usually requires minimal documentation. The required documents depend on the type of update and the individual’s age group.

 

Required documents

  • Aadhaar card or Aadhaar letter for identity verification
  • No additional documents are needed for biometric scanning in most cases
  • Original supporting documents if demographic details like name, address, or date of birth are updated

 

For children (mandatory biometric update)

  • Birth certificate of the child
  • Aadhaar card of parent or guardian
  • Required at age 5 years and again at 15 years

 

For adults (optional biometric update)

  • Aadhaar card for verification
  • Needed if fingerprints or iris are unclear due to age or injury
  • Standard charges may apply if the update is done voluntarily

An Aadhar biometric update helps ensure smooth authentication and accurate identity verification across services.

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Why is an Aadhaar biometric update required?

An Aadhaar biometric update helps keep your identity information accurate, secure, and updated in the UIDAI database. Biometric changes may occur over time due to age or other factors, making periodic updates important for smooth authentication and access to services.


  1. Updated biometric details improve accuracy during identity verification.
  2. It helps reduce authentication errors while accessing government and financial services.
  3. Updated information strengthens security and helps prevent misuse of Aadhaar details.
  4. Maintaining correct biometric records supports seamless verification whenever Aadhaar authentication is required.

Regular biometric updates help ensure that your Aadhaar information remains reliable and supports uninterrupted access to Aadhaar-based services.

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What happens if you don’t update biometrics?

An aadhar biometric update keeps your Aadhaar record aligned with physical changes as you grow. UIDAI’s 2026 school drive covered around 1.2 crore children, highlighting how widely mandatory biometric updates are being carried out.

  • Authentication: Fingerprints can become difficult to authenticate as children grow or fingerprint quality changes. UIDAI recommends a biometric update when repeated fingerprint authentication failures occur.
  • Government services: A failed Aadhaar authentication does not automatically stop a service. UIDAI requires alternative authentication or exception handling where biometric authentication fails.
  • School and exams: Updated biometrics can support Aadhaar authentication for admissions, scholarships and examinations such as NEET, JEE and CUET where Aadhaar verification applies.
  • Bank KYC: Aadhaar biometric authentication can be used for identity verification during KYC. A failed biometric match can require another permitted verification method.


If repeated fingerprint failures continue, an aadhar finger update replaces the stored fingerprint data with a new biometric record.

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How to update Aadhaar biometric for children?

For Aadhaar biometric updates for children, parents or guardians need to visit an Aadhaar enrolment centre. Provide the child's Aadhaar number and relevant documents. Both parents' Aadhaar is mandatory, and their biometrics will be authenticated. Check the official UIDAI website for the latest guidelines on updating Aadhaar for children.


It is important to note that the use of biometric data in Aadhaar is governed by strict privacy and security standards. The Unique Identification Authority of India (UIDAI) ensures that the collected biometric information is stored securely and used only for authentication purposes. The Aadhaar system uses these biometric modalities to enhance the accuracy and reliability of identity verification, preventing duplication and fraud.


Keep documents such as the Aadhaar card within reach, especially when in need of funds. It can serve as a supporting document while you apply for a personal loan. Know more about the documents required for a personal loan from Bajaj Finance.

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Fees for Aadhaar biometric update

The standard fee for a separate Aadhaar biometric update is Rs. 50 at authorised Aadhaar centres. Charges may vary depending on the type of update and applicable UIDAI guidelines.


  • Rs. 50 fee: Applicable when a biometric update is requested separately, such as updating fingerprints or iris details.
  • No fee: Mandatory biometric updates for children at specified age milestones may be free as per UIDAI guidelines.
  • Additional service charges: Extra charges may apply if other Aadhaar services are requested along with the biometric update.

Always check the latest UIDAI guidelines before visiting an Aadhaar centre to confirm applicable charges. Keeping biometric details updated helps ensure accurate identity verification and smooth access to Aadhaar-based services.

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What are the charges for Aadhaar biometric update?

The charges for an Aadhar biometric update depend on the type of update and whether it is mandatory or voluntary. UIDAI has fixed nominal fees to keep the process affordable and accessible for all users.


  • No charges are applicable for mandatory biometric updates in children at specific ages
  • Standard fee of around Rs. 50 applies when biometric updates are done separately
  • Additional service charges may apply if updates are done at enrolment centres with other services

An Aadhar biometric update ensures accurate identity verification and smooth access to banking, government, and financial services without authentication issues.

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How to find an Aadhaar enrolment centre?

You can find an Aadhaar enrolment centre through UIDAI's online locator, which lists centres by state, city and PIN code. Centres differ in the services they offer, so check that yours handles an Aadhaar biometric update before you visit.
 

  • Visit the official UIDAI website to access the enrolment centre locator tool.
  • Enter your state, city or PIN code to see nearby centres.
  • Choose between an Aadhaar Seva Kendra, run by UIDAI, and an enrolment centre at a bank, post office or government office.
  • Check that the centre lists biometric update among its services.
  • Book an appointment on myAadhaar for an Aadhaar Seva Kendra, or confirm timings with other centres before visiting.

Using these steps helps users quickly find a nearby centre and complete their aadhar biometric update without delays.

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How to check Aadhaar biometric update status?

Checking the status of an Aadhar biometric update is a simple online process through UIDAI services. It helps users confirm whether their biometric details have been successfully updated or are still under process.


  • Visit the official UIDAI website or Aadhaar portal
  • Go to the “Check Aadhaar Update Status” section
  • Enter your Aadhaar number and URN (Update Request Number) received during submission
  • Complete OTP verification sent to your registered mobile number
  • View the current status of your aadhar biometric update request

If the status shows “processed,” the updated biometric details are successfully recorded. If pending, users may need to wait for completion or visit the nearest Aadhaar centre for further assistance.

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Conclusion

In conclusion, keeping your Aadhaar biometric information updated is vital for ensuring accurate identification and access to essential services. With no fees for the update itself, this process remains accessible to all citizens. Regular updates help enhance security, improve authentication, and comply with government regulations. By prioritizing biometric updates, you safeguard your identity and facilitate smoother interactions with various institutions. Staying informed about the latest guidelines from UIDAI further ensures a seamless experience, making it crucial to manage your Aadhaar details proactively.


Additional read:

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Update the Date of Birth on your Aadhaar CardChange Mobile Number in Aadhaar CardHow To Verify Digital Signature in e-Aadhaar
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Frequently asked questions

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Essential Details

Biometric update information

What is a masked Aadhaar card?

A masked Aadhaar card is a version of the Aadhaar card where the first 8 digits of the Aadhaar number are replaced with asterisks (*) for enhanced security and privacy.For an Aadhaar biometric update, you typically need to provide a copy of your Aadhaar card, the original biometric ID proof (such as a passport or driver's license), and the updated biometric data. Check the official UIDAI website or contact an Aadhaar enrolment centre for the latest and specific requirements.

To update name in Aadhaar card online, log in to the UIDAI portal, submit the correction request with valid documents, and complete the verification process for the update.

Yes, Aadhaar biometric update is mandatory at age 15 to ensure accurate identity verification and continued access to services.

Aadhaar biometrics remain valid for a lifetime, but updates are required at key age milestones or in case of biometric mismatch.

Without an Aadhaar biometric update, authentication failures may occur, leading to issues in banking, subsidies, and KYC verification.

For an Aadhaar biometric update, you typically need to provide a copy of your Aadhaar card, the original biometric ID proof (such as a passport or driver's license), and the updated biometric data. Check the official UIDAI website or contact an Aadhaar enrolment centre for the latest and specific requirements.

The fee for Aadhaar biometric updates was nominal, but it could vary. Check with the Aadhaar enrolment centre for the specific fee details, as they may change over time. The official UIDAI website may also provide information on current charges for biometric updates.

UIDAI updates Aadhaar records within 30 days of the request in normal cases, and sends an SMS to your registered mobile once processed. Until then, track the request on myAadhaar with the Update Request Number (URN) printed on your acknowledgement slip. Keep the slip until the status shows the update as complete.

Aadhaar biometric updates are generally done at Aadhaar enrolment centres, and not all post offices provide this service. Confirm with your local post office or check the official UIDAI website for the latest information on Aadhaar services available at post offices in your area.

The processing time for Aadhaar updates, including biometrics, is typically around 90 days. The actual duration may vary based on factors such as the volume of requests and administrative processes. Check with the Aadhaar enrolment centre for the most accurate and current information.

Missing the mandatory update can cause biometric mismatch and service restrictions until the Aadhar biometric update is completed

No, Aadhaar biometric update online is not fully possible. Biometrics must be updated at an Aadhaar enrolment centre for physical verification.

A biometric update is necessary at two points: UIDAI makes it mandatory at age 5 and again at age 15. After that, you update only when needed. The child updates are free between ages 5 to 7 and 15 to 17. Adults should update when fingerprint or iris authentication keeps failing, since worn fingerprints or a changed appearance stop records matching.

Log in to myAadhaar or open the mAadhaar app and go to the biometric lock option, which shows whether your biometrics are locked or unlocked. A locked status blocks fingerprint and iris authentication for any service. If you unlock temporarily, biometrics relock automatically after 10 minutes, so plan any authentication within that window.

The biometric lock feature in Aadhaar allows users to temporarily lock their biometric authentication, such as fingerprints and iris scans, to prevent misuse. Users can enable or disable this feature through UIDAI services and unlock biometrics whenever authentication is required.

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