NHAI Datalake 3.0 is the official mobile application of the National Highways Authority of India (NHAI), revolutionizing highway infrastructure management across India's national highway network. Designed for government officials, engineers, contractors, and consultants, this comprehensive platform transforms traditional highway management into a seamless digital experience. The app enables real-time joint inspections with multi-role collaboration, allowing Authority Engineers (AE/IE), contractors, PIU teams, and regional officers to conduct paperless workflows with GPS-enabled location tracking and multimedia documentation. Key features include attendance management system with facial recognition, adhar based authentication, comprehensive defect management system with geofencing, facility to schedule joint inspection in advance, request for inspections to monitor the progress of construction of highways, advanced role-specific KPIs and secure document management integrated with NHAI's DataLake and web platform. The mobile-first design ensures optimal performance in remote locations, while enterprise-grade security maintains government-approved data protection standards. Supporting both Android and iOS platforms, NHAI Datalake facilitates instant reporting, real-time project monitoring, and streamlined stakeholder communication. This initiative eliminates paperwork overhead, improves decision-making through data-driven insights, and ensures consistent quality standards across all highway projects, making it an indispensable tool for modern infrastructure management in India.