tender for supply and installation of biometric attendance system with face recognition at various substations under etd-ii, meerut , fixing & integration with desktop/laptop of office/substation along-with supply of biometric recognition terminal having following specifications- 1. biometric sensors: stqc-certified optical fingerprint sensor (i.e. minimum 500 dpi resolution) and facial recognition camera (rgb) for live-body/anti-spoofing detection. 2. authentication methods: fingerprint, face, rfid smart card (13.56 mhz / 125 khz). 3. device capacity: minimum 1,000 fingerprint templates, 500 face profiles, and 1,000 cards 4. display & ui: color lcd screen, 2 mp lens 5. connectivity: 10/100 mbps rj45 ethernet, wi-fi 802.11 b/g/n. software & integration requirements 1. data transmission: secure https/tls 1.3 push-data protocol for real-time synchronization with central servers. 2. offline mode: local store-and-forward mechanism to log attendance offline and automatically upload data once connectivity resumes without data loss. 3. system architecture: web-based centralized management software. 4. reporting engine: real-time dashboards generating automated daily, weekly, and monthly reports (pdf, csv, excel format). security & compliance standards 1. warranty & service level agreement (sla) 2. warranty: 1-year comprehensive oem onsite warranty including hardware replacement, firmware updates, and software patches.