UIDAI - Unique Identification Authority of India

The Unique Identification Authority of India (UIDAI), which is now recognized as a statutory authority, was set up on 12 July 2016 by the Government of India as per the provisions of the Aadhaar Act 2016. UIDAI is headquartered in New Delhi and has around 8 regional offices in India.

Objectives of UIDAI

The main objective of UIDAI is to issue a 12-digit unique identification number (UID) to each individual in order to:

  • Do away with duplication of identities
  • Verify and authenticate identity in a cost-effective manner

Brief History of UIDAI

Initially, the UIDAI was operating as a part of the Planning Commission, which has now become the NITI Ayog. However, in 2015, after the government revised ‘Allocation of Business Rules’ to attach UIDAI under the aegis of the Electronics and Information Technology Department. UID number, referred to as Aadhaar, was issued for the first time in 2010 to an individual who was residing at Nandurbar, Maharashtra. .

The body is now responsible for the enrollment, authentication and management of all stages in the development of the Aadhaar Card life cycle.

UIDAI aadhaar
UIDAI aadhaar

Services Provided by UIDAI


  • Locating an enrollment centre
  • Checking status of Aadhaar
  • Downloading Aadhaar
  • Retrieval of UID/ Enrollment ID (EID)
  • Order re-print

Updating Details

  • Update details online
  • Update via post
  • Update at enrollment centre
  • Checking of ‘update status’
  • Requesting address validation letter
  • Online address update status
  • View update history

Other Services

  • Verification of Aadhaar number
  • Verification of mobile number and email ID
  • Locking and unlocking of biometrics
  • Aadhaar and bank account link status check
  • Logging of complaints
  • Checking status of complaint
  • Virtual ID generation/retrieval
  • Paperless e-KYC
  • SMS services

You can read more about these services on https://uidai.gov.in/

Vision and Mission

Vision The key vision of the body is to enable people with a UID and a digital platform to be able to authenticate themselves from anywhere and at any point of time.
  • Good governance through the efficient delivery of subsidies.
  • Compliance to the Aadhaar Act 2016.
  • Create a procedural system of the issuing, authenticating and updating of Aadhaar numbers.
  • Enable confidentiality and security of identity-related information.
  • To provide Aadhaar to every Indian citizen while adhering to strict quality matrices and turnaround times.
  • To assure the technical infrastructure's scalability, and availability.
  • To establish a long-term organisation that would uphold and carry forward UIDAI's ideals and vision.

Core Values of UIDAI

  • Good governance
  • Integrity
  • Inclusive nation building
  • Strive to provide good quality services
  • Focus on continuous learning and quality enhancement

Members of the UIDAI

  • Saurabh Garg, The Chief Executive Officer (CEO), is the legal representative and administrative head of the Authority.
  • Dr. Anand Deshpande, Founder, Chairman and Managing Director of Persistent Systems is appointed as part-time member of UIDAI

UIDAI Regional Offices

Office by region States or Union Territories covered
Mumbai Gujarat, Maharashtra, Goa, Dadar & Nagar Haveli, Daman & Diu
Delhi Madhya Pradesh, Delhi, Uttarakhand and Rajasthan
Bengaluru Kerala, Tamil Naidu, Pondicherry, Lakshadweep and Karnataka
Chandigarh Chandigarh, Jammu & Kashmir, Punjab, Haryana and Himachal Pradesh
Guwahati Tripura and Sikkim, Mizoram, Nagaland, Manipur, Meghalaya, Arunachal Pradesh and Assam
Hyderabad Andaman and Nicobar, Chhattisgarh, Orissa, Telangana, Andhra Pradesh
Lucknow Uttar Pradesh
Ranchi West Bengal, Jharkhand, Bihar

Aadhaar Act 2016

The Aadhaar (Targeted Delivery of Financial and Other Subsidies, Benefits and Services) Act, 2016, also referred to as the ‘Aadhaar Act 2016’, was passed on 25 March 2016. Given below are the key highlights of the Act:

  • All residents of India are entitled to obtain a 12-digit Aadhaar number by submitting demographic and biometric information
  • Once an Aadhaar number is issued, it cannot be re-issued to anyone else
  • The UIDAI is an Authority established by the Central Government to oversee functions assigned under the Act
  • ‘Authentication’ is a process by which the demographic and biometric information along with the Aadhaar number is submitted to the Central Identities Data Repository for verification

UIDAI Ecosystem

Enrollment agencies and Registrars are part of the system and help enrolling individuals. A Registrar is recognised by the UIDAI and they also appoint Enrollment agencies that help collect biometric and demographic information.

  • Registrars: UIDAI has a registrar for enrolling individuals in Aadhaar and is a partner of UIDAI under an MoU. They must also adhere to the roles and obligations that have been allocated to them. They collect all of the information from the individuals. These registrars handle the entire enrolling process independently or through enrolment services they hire.
  • Enrollment Agencies: With the help of appointed supervisors and operators, the enrolment agency authorised by the registrar collects biometric and demographic data from individuals during the enrolment process. These agencies are also in charge of setting up the enrolling centres, as well as data correction and updating.

UIDAI Finance & Accounts Division

The head of the Finance & Accounts Division of the UIDAI is the Deputy Director General (Finance). The Finance Division gives professional advice to the Chief Executive Officer (CEO) of the UIDAI regarding any issues that have financial implications.

The Finance Divisions handles the Preparation of Annual Accounts, Expenditure and Cash Management, Performance Budget, Outcome Budget, and Budget formulation of the UIDAI

Finance and Accounts Division – Role

The main functions of the Finance and Accounts Division of the UIDAI are mentioned below:

  • Finance Advice/ Concurrence
  • Budget Preparation
  • Internal Audit
  • Expenditure and Cash Management
  • Book Keeping
  • Drawing and Disbursement


The Unique Identification Authority of India has developed a mobile app known as mAadhaar, which can be downloaded from the Google Playstore.

The following services are offered through the app:

  • Profile creation – Aadhaar profile can only be created if you have a registered mobile number
  • You can lock and unlock your biometrics
  • Virtual ID generation

How to create your profile on m-Aadhaar app?

  • Step 1: Type in the 12-digit Aadhaar number
  • Step 2: Ensure mobile data connection is active, key in inputs and click on the ‘Verify’ button
  • Step 3: An OPT will be sent to your registered mobile number

How to generate virtual ID on m-Aadhaar app?

  • Step 1: Choose the ‘VID Generation’ button from the side menu
  • Step 2: Either generate VID or use an already existing one
  • Step 3: You can see the VID on the screen

Grievance Redressal of UIDAI

Any queries or grievances related to Aadhaar enrollment and Aadhaar updation can be addressed through Contact Centres set up by UIDAI.

For complaints:

Complaints can also be lodged through post or through https://pgportal.gov.in/.

This article is intended for informational purposes only. For more information please refer the link(s) provided above or visit https://uidai.gov.in/

Now you can download and print your Aadhaar at any time from UIDAI Govt site, UMANG App, DigiLocker, mAadhaar App and many other ways as per your convenience.


  1. When I link my bank accounts, mutual funds and mobile phones with Aadhaar, will the UIDAI not get this information?

    When you link your bank account, mobile phone, mutual fund, etc, UIDAI does not receive the information. The only information it receives is your Aadhaar number and the biometric which you had provided at the time of authentication.

  2. What is ‘Order Aadhaar Reprint’ service?

    Order Aadhaar Reprint is a new service launched by UIDAI which allows you to reprint your Aadhaar letter by paying a nominal fee of Rs.50.

  3. What is the password of e-Aadhaar?

    The first four letters of your name in capitals and the year of your date of birth will be your password. For example, if your name is Aditya and you were born in the year 1992 then your password will be ADIT1992. However, the first 4 letter may not be required depending on the name. For example, if your name is Lee and you were born in 1995 then the password will be LEE1995.

  4. What is masked Aadhaar?

    Mask Aadhaar allows you to mask the first 8 digits of your Aadhaar number upon downloading the e-version of your Aadhaar. This provides more security. When you mask your Aadhaar, the first 8 digits are replaced by xxxxxxxx followed by the last 4 digits of your Aadhaar number.

  5. I need to update my mobile number. How can I do that?

    If you wish to update your mobile number, then you can do so by visiting the Permanent Enrolment Centre.

  6. Can I update my address in my local language?

    Yes, you can update or correct your address in your local language. The languages in which you can update your address are Assamese, Bengali, English, Gujarati, Hindi, Kannada, Malayalam, Marathi, Odia, Punjabi, Tamil, Telugu and Urdu.

  7. I do not have any document proof of my address. Can I still update my address in my Aadhaar?

    Yes, in case you don’t have the necessary documents as proof of your address, you can still update your address in Aadhaar with the help of an Aadhaar verifier by sending an online request for Address Validation Letter. You can update the address with the address of your present residence where the address verifier (family, relative, friends, landlord, etc.) who are allowing you to use their address as proof of residence.

Latest News on UIDAI

  • UIDAI can issue Aadhaar Card Immediately After a Child’s Birth

    The Unique Identification Authority of India (UIDAI) has introduced a system where a newborn’s birth certificate can be accessed from a state government portal to issue an Aadhaar card. After Haryana, Karnataka is the second state to commence the Aadhaar Linked Birth Registration (ALBR) process.

    UIDAI is now integrated with the e-JanMa portal which is operated by the Chief Registrar of Births and Deaths office of the Karnataka government. The birth registration number and other required details of an infant are taken from the Aadhaar card of one of the parents.

    Once the child turns five, biometrics (fingerprints and iris) can be added. Another update of biometrics will be done when the child attains 15 years of age. Both biometric updates are free.

    This new system will enable parents to get Aadhaar cards for their children right after they are born. Parents will be able to avail of numerous government schemes such as Bhagyalakshmi, which offers financial aid to girl children.

    9 December 2021

  • Aadhaar Hackathon 2021’ will be Hosted by UIDAI from 28 October 2021

    An 'Aadhaar Hackathon 2021' will be launched by the Unique Identification Authority of India (UIDAI) with the aim of identifying innovative young talent in information technology. Registration can be done online on the UIDAI official website. Students in engineering colleges across the country can participate. The hackathon will commence on 28 October midnight and will last till 31 October.

    19 October 2021

  • New Aadhaar Enrolment Centres Announced by the UIDAI

    166 Aadhaar updated and enrolment centres are being opened by the Unique Identification Authority of India (UIDAI) in 122 cities across India. The announcement was made by the Ministry of Electronic and IT on 2 October 2021. The UIDAI has opened 155 Aadhaar Seva Kendras (ASK) in the country already has part of the plan. The new enrolment and update centres will be in addition to the 52,000 Aadhaar Enrolment Centres that are run by the state government, post offices, and banks. The stand-alone ASKs will be open all days except on public holidays. In the case of any demographic updates, a fee of Rs.50 must be paid.

    7 October 2021

  • UIDAI Reduces Charges for Aadhaar Authentication

    The Unique Identification Authority of India (UIDAI), which is responsible for issuing Aadhaar cards in India, has reduced the cost of user authentication required for Aadhaar cards. The fees have been reduced from Rs.20 to Rs.3 per instance to allow businesses to use the infrastructure to provide customers with more convenience through various services and perks.

    29 September 2021

  • US-based private cybersecurity company claim Indian media firm, police department, and UIDAI hacked by Chinese hackers

    On Wednesday, a US-based private cybersecurity company has stated that it has uncovered evidence of an Indian media conglomerate along with a police department and UIDAI have been hacked by a state-sponsored Chinese hacking group. The company said that the group made use of the Winnti malware exclusively shared among several Chinese state-sponsored activity groups. In its report, the cybersecurity company has suggested that the cyberattack could be related to the border tensions that have led to clashes in 2020 and this year. It needs to be mentioned here that data released by Massachusetts-based Recorded Future shows an increase of 261% in the number of suspected state-sponsored Chinese cyber operations targeting Indian organizations and companies this year compared to last year as of early August

    22 September 2021

  • Delhi High Court ask UIDAI and RBI to respond to PIL

    A bench of Delhi High Court has asked the Unique Identification Authority of India (UIDAI) and RBI to respond to a PIL regarding unauthorized access, use, and storage of users’ Aadhaar and banking information by Google Pay. It needs to be mentioned here that the PIL was filed by a financial economist stating that Google Pay being a private company it was not empowered to collect, use and store banking and Aadhaar information of users. The bench of Justice DN Patel and Justice Jyoti Singh has issued notice on the petition and sought the stand of Google India Digital Services Limited by November 8.

    It needs to be mentioned here that the petitioner in another PIL had claimed that Google Pay was facilitating financial transactions without having requisite authorization from the Reserve Bank of India (RBI). In response to that, the company had stated that GPay didn’t require RBI authorization as it was a third-party application provider and not a payment system operator. RBI, too had stated that as GPay does not operate any payment systems its operations are not in violation of the Payments and Settlement System Act of 2007.

    16 September 2021

  • Aadhaar Users Left in Lurch Due to Inaccessible UIDAI System

    The Unique Identification Authority of India's (UIDAI) IT systems has been down for the past week, causing panic among Aadhaar holders as deadlines for linking their UIDAI identity details with their Income Tax Department's Permanent Account Number (PAN) and Employees' Provident Fund Accounts (EPF) approach.

    27 August 2021

  • UIDAI puts two of its Services on hold

    Unique Identification Authority of India (UIDAI) has put a few of its services on hold after adding several services and new changes over the course of this year. The services which have been stopped are the address validation letter service and the Aadhaar reprint service. When cardholders expressed their wishes on Twitter to make use of the validation letter facility, the UIDAI replied saying, ‘Dear Resident, Address Validation Letter service is no longer available.’ UIDAI will going forward issue only PVC cards instead of the usual long paper prints. The service has been discontinued after it was seen that the new-debit-card-sized ID proof was seen just as effective and is more portable. A tweet from the authority read, ‘Dear Resident, Order Aadhaar Reprint service has been suspended. You can order Aadhaar PVC Card online. At the same time, if you want, you can also take a printout of E-Aadhaar and keep it in the paper format.’

    25 August 2021

  • Fingerprint, eye scan not required for children below the age of 5 years

    As per the directives of the UIDAI, for children under the age of 5 years, it is mandatory for a parent or a guardian to authenticate the enrolment on behalf of the child. This has to be done by signing a consent on the enrolment form.

    In addition to that, fingerprints and eye scan will not be required for getting Aadhaar card for children below the age of 5 years. However, biometric update will be compulsory after the children turn 5 years old.

    28 July 2021

  • UIDAI cautions Aadhaar Card holders against Fraudsters

    Aadhaar card holders have been warned by the Unique Identification Authority of India (UIDAI) against the misuse of their 12-digit unique ID number and asked them to use the lock/unlock facility as protection against fraud.

    The information was tweeted by the authority about the feature on its official handle. You can visit the UIDAI website and select the lock/unlock facility. You will have to provide your 12-digit Aadhaar card number and provide other relevant details. Enter the security code and One-Time Password (OTP) following which the facility will be activated.

    20 July 2021

  • All forms of Aadhaar acceptable as identity proof, says UIDAI

    The Unique Identification Authority of India (UIDAI) on Wednesday announced that all forms of Aadhaar are acceptable as proof of identity.

    The 12-digit Aadhaar is a unique number issued by UIDAI and serves as a valid proof of identity and is an important document for availing government grants.

    23 October 2020

  • How to Apply for Aadhaar PVC Card

    The UIDAI has now announced a new format for the Aadhaar card which makes it more portable and makes it fit into a wallet. The Aadhaar will be reprinted on a polyvinyl chloride (PVC) card which makes it similar to a debit/credit/ATM card.

    The card will include all the required security features while maintaining its durability and aesthetic appearance. The host of security features include the Guilloche Pattern, hologram, Microtext, and ghost image. There is a nominal fee of Rs.50 for the making of the card.

    The online application for the card can be done on the official website of the UIDAI. Under the ‘'My Aadhaar Section’', select the option for ‘'Order Aadhaar PVC Card’'. You would have to enter either the 16-digit virtual ID or the 12-digit Aadhaar number or the 28-digit EID number. After entering the captcha code, an OTP will be sent to the registered mobile number. After it has been submitted, and the PVC card previewed online, you will have to complete the payment through any of the payment gateways online. Once the payment is completed successfully, the card preparation will begin and it will be sent to your registered postal address which is with the UIDAI.

    12 October 2020

  • Individuals can use Twitter for quick response in case of Aadhaar issues

    Individuals who wish to get a quick response in case of queries regarding Aadhaar can send a tweet to UIDAI’s official tweeter handle. Various queries regarding the Aadhaar are being addressed by the UIDAI on twitter. UIDAI’s twitter handles are @Aadhaar_Care and @UIDAI. Aadhaar’s official help centre is @Aadhaar_Care and the official twitter account of UIDAI is @UIDAI. Apart from the twitter services, customer care services are provided via service centres, email ID, or phone. Government authorities are using social media platforms to address customer grievances. Social media platforms have made it easier for government authorities to interact with customers. Apart from UIDAI, various other non-government and government authorities are using twitter to respond to queries.

    22 July 2020

  • PAN card with Aadhar linking deadline extended to 31st March, 2021

    The last date for PAN Card with Aadhaar card linking has been extended by the central government of india. As per the notification, the PAN with Aadhaar Card linking last date has been extended till March 31, 2021.

    06 July 2020

  • 14,000 Aadhaar Kendras become operational amid Unlock 1.0

    By the fourth day of Unlock 1.0, as many as 14,000 Aadhaar Seva Kendras which are run by state governments, post offices, banks and BSNL have become operational. This was informed by UIDAI in a tweet. They stated that they were in touch with local administrations for permission to restart operations as soon as possible. It must be noted that Aadhaar Seva Kendras have been shut since March 25.

    04 June 2020

  • UIDAI states that Aadhaar services to resume with social distancing norms

    UIDAI had allowed the Common Service Centre and a Special Purpose Vehicle to restart the updating facility of Aadhaar in April at 20,000 centres which are operating as banking correspondents. The UIDAI has set a deadline for June to start after the Common Service Centres with banking facilities upgrade their infrastructure and get required approvals.

    According to the Supreme Court Order, the work of Aadhaar through the Common Service Centres was discontinued in December 2018 and since then there has been a demand from various personnel who are running over 3.5 lakh Common Service Centres to start the enrolment of Aadhaar with investments already made in Aadhaar kits and training manpower.

    The Common Service Centres had generated around 20 crore Aadhaar cards before they were discontinued by the Supreme Court order.

    20 May 2020

  • UIDAI launches handbook with answers to all Aadhaar card-related questions

    The Unique Identification Authority of India (UIDAI) recently launched a free handbook. This answers all the questions and queries that people would have regarding the Aadhaar card. This handbook talks about card address update, Aadhaar card centre, card address update check status, and Aadhaar card password. In a tweet, the UIDAI had had said that there are a few questions about the Aadhaar card that are very frequently asked. The authority has created a list of these questions and their answers that are available on the website of UIDAI. The questions and answers are available on the mAadhaar App. Other than this, you can also make use of the UIDAI chatbot. Here, the UIDAI will instantly answer all your queries. The chatbot is a software app that is supported by Artificial Intelligence (AI).

    21 March 2020

  • UIDAI launches 'Baal Aadhaar Card' for children below the age of 5 years

    UIDAI has launched and issued a new Aadhaar card which comes in a blue colour for all children below the age of 5 years. This new Aadhaar card has been specifically designed to extend the welfare scheme of the government to children below the mentioned age. The news of the ‘Baal Aadhaar Card’ was given by UIDAI through a tweet from the body’s official Twitter account. Any child below the age of 5 years can get this Aadhaar card from the Aadhaar centres.

    The card was primarily launched because UIDAI does not take biometric details of the children who are below the age of 5 years. Only after the child is above the age of 5 years, the biometric authentication can be to get the card updated. This blue Aadhaar card will be issued for children below 5 years old and once they are above the age of 5, authentication will be done.

    The Blue Aadhaar Card can be applied by booking an appointment with the nearest UIDAI Aadhaar card centre. On the date mentioned, the person must visit the centre and fill the Aadhaar Card registration form.

    12 February 2020

Aadhaar Card Info

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