Entity Resolution in India's Welfare Digitalization (Technical Explainer)
Amnesty International
Ref: SRC-002-IND-005
Accessed: 3/24/2026
Summary
Technical explainer providing detailed analysis of entity resolution methodology used in Samagra Vedika. Describes three-phase process (preprocessing/blocking, comparison/matching, clustering). Reports system processes over 380 million individual records. Documents failed year-long audit attempt due to proprietary access barriers. Analyses tolerance threshold trade-offs and embedded incentives favouring cost savings over beneficiary protection. Notes replication across other Indian states.
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Amnesty International (2024) 'Entity Resolution in India's Welfare Digitalization' (Technical Explainer). London: Amnesty International. Available at: https://www.amnesty.org/en/latest/research/2024/04/entity-resolution-in-indias-welfare-digitalization/ (Accessed: 24 March 2026).