The Invisible Shield: How Artificial Intelligence is Securing the Identities of over a Billion Indians

• "Invisible Shield" = UIDAI's next-generation AI-enabled biometric deduplication and document verification platform for Aadhaar enrolment/update integrity.
• Operationalises the "one unique identity per resident" principle at population scale (~138 crore Aadhaars) using AI on fingerprint, face and iris modalities.
• Examinable as a convergence of DPI (Digital Public Infrastructure), AI governance, and Aadhaar Act, 2016 — relevant to GS-II (governance) and GS-III (sci-tech, internal security/data protection).