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The Unique Identification Authority of India has completed over 2 crore Mandatory Biometric Updates in Aadhaar for school children, in a mission-mode drive begun in September 2025.
The drive was made possible by UIDAI's technological integration with UDISE+, the Ministry of Education's school data system, which gives visibility of each child's MBU status at the school level.
More than 1.56 lakh schools have been covered through dedicated school-level camps run with State and Union Territory education departments.
A Mandatory Biometric Update is required when a child turns 5 and again at 15, because Aadhaar enrolment below the age of five captures only demographic details and a photograph — fingerprints and iris are still developing at that age.
UIDAI waived MBU charges for the 7-15 age group from 1 October 2025 for one year, and since the 5-7 and 15-17 groups were already free, the update is effectively free between the ages of 5 and 17 until 30 September 2026.
Aadhaar authenticates a person by matching live biometrics against what was recorded at enrolment. That works for adults because fingerprints and iris patterns are stable through life. In young children they are not — ridge patterns on the fingertips and the iris are still forming, so an enrolment taken at age two would fail to match the same child at age eight. UIDAI therefore enrols children below five on demographic details and a photograph alone, linked to a parent's Aadhaar, and requires a Mandatory Biometric Update when the child turns 5 to capture ten fingerprints and both irises, and a second update at 15 once growth has settled. The practical stake is high: without a valid biometric record the child's Aadhaar fails authentication precisely when it is needed — for a scholarship, a direct benefit transfer, a school admission or an examination registration for NEET, JEE or CUET. The clever part of this drive is administrative rather than technological: by linking UIDAI's records to UDISE+, the school data system, the system can tell a particular school which of its own pupils are overdue, turning a nationwide compliance problem into a list a headmaster can act on.
Simple Analogy: A child's fingerprints are like their shoe size. The record has to be taken again once growth has stopped, or the fitting will fail.
Issues Aadhaar numbers, maintains the identity database and specifies enrolment and update requirements including the Mandatory Biometric Update.
Parent ministry of UIDAI and the nodal ministry for the Aadhaar framework.
The Ministry of Education's online school data system, introduced in 2018-19 by the Department of School Education and Literacy and maintained by the National Informatics Centre; its integration with UIDAI gives school-level visibility of pending biometric updates.
The statute that gives UIDAI its legal standing — the Authority became a statutory body under it on 12 July 2016 — and that frames Aadhaar as an instrument for targeted delivery of subsidies, benefits and services.
The executive order that first created UIDAI, which functioned as an attached office of the Planning Commission until the 2016 Act placed it on a statutory footing.
Aadhaar authentication is the plumbing of DBT, scholarships and school-linked entitlements, so a lapsed biometric record is a service-delivery failure rather than a paperwork issue.
Children's biometrics raise the sharpest questions under the Digital Personal Data Protection framework, including consent by a parent or guardian and the purpose limitation on identity data.
The UIDAI-UDISE+ link is a textbook case of two government databases being joined to close a compliance gap, the same pattern as PM-KISAN with land records or ration cards with One Nation One Ration Card.
UDISE+ is the source of national school statistics — enrolment, dropout and teacher data — and is used for Samagra Shiksha planning, which is why it could be repurposed for this drive.
Aadhaar authentication at NEET, JEE and CUET registration ties identity infrastructure to the prevention of impersonation in competitive examinations.
GS Paper 2 > Governance > e-Governance, government policies and interventions for vulnerable sections
General Awareness > Government institutions and schemes
General Awareness > Aadhaar, KYC and digital identity
General Awareness > Current events and static GK
Aadhaar and UIDAI are standing static-GK items in SSC, railway and banking exams, and appear in UPSC Prelims through the Aadhaar Act and DBT architecture.
The compulsory capture of a child's fingerprints and iris in Aadhaar on attaining the age of 5 and again at 15.
The Unique Identification Authority of India, created in January 2009 and made a statutory authority under the Aadhaar Act, 2016, functioning under MeitY.
The Ministry of Education's Unified District Information System for Education Plus, introduced in 2018-19 for online collection of school data.
The Aadhaar (Targeted Delivery of Financial and Other Subsidies, Benefits and Services) Act, under which UIDAI became a statutory body on 12 July 2016.
The Aadhaar issued to a child below five, based on demographic details and a photograph linked to a parent's Aadhaar, without fingerprints or iris.