Discuss the significance of Digital Public Infrastructure (DPI) in improving last-mile delivery of rural water supply schemes in India, with reference to Sujalam Bharat.

Digital Public Infrastructure refers to open, interoperable, ID- and data-based digital layers that let multiple actors deliver services at scale. In rural water supply, the last mile fails less from scarcity than from information gaps — untraceable assets, unverified quality and weak grievance loops. Sujalam Bharat, the DPI layer of the Jal Jeevan Mission, addresses precisely this deficit.

Traceability of assets and service

• Provides an end-to-end, geo-tagged digital registry from source to household, consolidating infrastructure, operational, water-quality and service data [3].
• Unique Sujalam Bharat / Sujal Gaon IDs establish which scheme serves which households — a common identifier ending the anonymity of rural assets [2][3].

Interoperability and evidence-based planning

• The 2026 Policy on Data Sharing, Interoperability and Stakeholder Access creates a secure, federated framework for exchange between DDWS, States/UTs, Gram Panchayats and authorised stakeholders using standardised metadata and interoperable registries [1].
• Opens governed, purpose-based access for predictive maintenance, geospatial planning, Digital Twins and AI-enabled analytics — shifting O&M from reactive repair to anticipatory service assurance [1].
• BISAG-N-supported geo-referencing links space technology to village-level delivery [2].

Accountability and community ownership

• Integrates community feedback into the platform, converting citizens from passive recipients into monitors [2].
• Empowers Gram Panchayats with real-time data, giving substance to the 73rd Amendment's devolution of water supply.
• Policy embeds privacy, personal data protection, cybersecurity and access governance safeguards, so openness does not become exposure [1].

Limits

• Benefits depend on data quality at source, digital literacy of PRIs and functional District Technical Units, whose capacity DDWS is still building through master-trainer rollouts [3].

Sujalam Bharat shows DPI's real value is not digitisation but verifiable accountability — every tap traceable, every failure attributable. If capacity-building keeps pace with the technology, this layered, open architecture can make functional household tap connections durable rather than merely counted, advancing SDG-6 and the constitutional promise of dignified access to water.