The Challenge

The existing S4i immunization dashboard required significant augmentation to meet the evolving needs of India’s immunization programme. The challenges included:

• Multi-source Data Integration: The dashboard needed to aggregate data from multiple national health systems including NCCMIS (National Cold Chain Management Information System), eVIN (Electronic Vaccine Intelligence Network), HMIS (Health Management Information System), and other government data sources, each with different data formats, update frequencies, and access protocols
• Dual Platform Requirement: The solution needed to function seamlessly on both web browsers and Android mobile devices for field-level immunization officers
• Complex Analytics: Programme managers required sophisticated analytics including coverage trend analysis, dropout rate calculations, vaccine wastage computation, cold chain functionality monitoring, and geographic equity analysis
• National Scale: The platform needed to handle data from all states and union territories of India, with drill-down capability to the district, block, and health facility level
• NCCMIS Integration: Deep integration with the National Cold Chain MIS was required for real-time monitoring of cold chain equipment status, maintenance schedules, and replacement planning
• Performance under Load: The dashboard needed to serve thousands of concurrent users across the immunization ecosystem, from national-level programme managers to district immunization officers

Velocity’s Solution

Scope of Work

Velocity Software Solutions executed the comprehensive augmentation of the S4i immunization dashboard, encompassing:

• Enhancement of the web-based dashboard with new analytical modules
• Development of the Android mobile application for field officers
• Integration with multiple national health data systems (NCCMIS, eVIN, HMIS)
• Advanced analytics and visualization engine
• Performance optimization for national-scale operations
• Ongoing maintenance and support

Key Features & Deliverables

Web-based Dashboard Enhancement:
– National Coverage Dashboard: Interactive national-level immunization coverage dashboard with antigen-wise breakdown (BCG, OPV, Pentavalent, Measles-Rubella, etc.), showing coverage percentages, dropout rates, and left-out rates

• Geographic Drill-down: Seamless navigation from national to state to district to block to health facility level, with each level presenting contextually relevant metrics
• Cold Chain Monitoring Module: Real-time status of cold chain equipment (ILR, deep freezer, cold box) across all cold chain points, including functionality status, maintenance alerts, and replacement tracking integrated with NCCMIS
• Vaccine Logistics Dashboard: Stock position monitoring, distribution tracking, and wastage analysis for all vaccines in the UIP basket

• Session Site Monitoring: Tracking of planned vs. conducted immunization sessions, with reasons for session cancellation and rescheduling

• Equity Analysis: Geographic and demographic equity dashboards identifying underserved populations and areas with low immunization coverage

Android Mobile Application:
– Field Officer Dashboard: Mobile-optimized dashboard for district and block immunization officers showing key performance indicators for their jurisdiction
– Session Monitoring: Real-time tracking of immunization session conduct with GPS-verified location data
– Cold Chain Alerts: Push notifications for cold chain equipment breakdowns, temperature excursions, and maintenance reminders

• Offline Capability: Core dashboards and recent data available offline for use in areas with limited connectivity
• Data Entry: Mobile data capture for field-level reporting not covered by existing systems
• Photo & GPS: Evidence capture capabilities for session site verification

Multi-source Data Integration:
– NCCMIS Integration: Bidirectional integration with the National Cold Chain MIS for equipment inventory, maintenance records, and functionality status

• eVIN Connectivity: Pull of vaccine stock, distribution, and temperature monitoring data from the Electronic Vaccine Intelligence Network
• HMIS Data Feed: Integration with the Health Management Information System for coverage data, demographic denominators, and facility master data
• Data Harmonization Engine: Automated reconciliation of data across sources with discrepancy flagging and resolution workflows
• API Gateway: Centralized API management layer for handling authentication, rate limiting, and data transformation across all connected systems

Advanced Analytics Engine:
– Predictive Analytics: Trend-based forecasting for vaccine demand, cold chain capacity needs, and coverage trajectory
– Dropout Analysis: Automated calculation of dropout rates between antigen doses with district-wise ranking and trend visualization
– Wastage Monitoring: Vaccine-wise wastage rate computation with benchmarking against national standards
– Coverage Gap Analysis: Identification of zero-dose children and un-immunized pockets through geographic and demographic analysis
– Custom Report Builder: Flexible analytics tool for programme managers to create ad-hoc reports and analyses

Technology Stack

• Backend: ASP.NET / .NET Framework
• Database: Microsoft SQL Server
• Frontend: HTML5, CSS3, JavaScript, Angular/jQuery
• Mobile: Android (Java/Kotlin)
• Visualization: Highcharts, D3.js, Leaflet for GIS
• APIs: RESTful APIs for NCCMIS, eVIN, HMIS integration
• Server: Government cloud / NIC infrastructure
• Security: SSL/TLS, OWASP compliance, role-based access control

Implementation Approach

1. Discovery & Architecture (Months 1-2): Deep analysis of existing S4i platform, data sources, and stakeholder requirements. Mapped data models and API specifications for NCCMIS, eVIN, and HMIS. Designed the target architecture for web and mobile platforms with the multi-source integration layer.

2. Core Development (Months 3-7): Built the enhanced web dashboard modules for coverage, cold chain, logistics, and equity analysis. Developed the Android mobile application with offline capabilities. Implemented the data integration pipeline connecting NCCMIS, eVIN, and HMIS.

3. Analytics & Visualization (Months 6-9): Developed the advanced analytics engine for predictive forecasting, dropout analysis, and coverage gap identification. Created interactive visualization templates for maps, charts, and drill-down reports. Built the custom report builder for programme managers.

4. Integration Testing (Months 9-11): End-to-end testing of all data integration pipelines with live data from connected systems. Performance testing under expected national-scale load conditions. Security audit and vulnerability assessment. UAT with UNICEF programme teams and government immunization officials.

5. Deployment & Training (Months 11-13): Production deployment on government infrastructure. Android app deployment on Google Play Store. Training sessions for national, state, and district-level immunization officers. User documentation and video tutorials.

6. Stabilization & Support (Months 13-15): Post-deployment monitoring and optimization. Bug fixes and refinements based on field feedback. Performance tuning for production data volumes. Knowledge transfer to UNICEF and government technical teams.

Key Outcomes & Impact

• Unified Immunization Intelligence: Created a single, comprehensive platform aggregating data from NCCMIS, eVIN, HMIS, and other sources, providing the first truly unified view of India’s immunization programme performance
• National Coverage: Dashboard served immunization stakeholders from the national to the health facility level across all states and union territories of India
• Real-time Cold Chain Monitoring: Integration with NCCMIS enabled real-time tracking of cold chain equipment functionality, reducing response time to equipment failures and temperature excursions
• Mobile Empowerment: The Android app put actionable immunization data in the hands of field officers, enabling real-time decision-making at the point of service delivery
• Data-driven Planning: Advanced analytics including predictive forecasting and coverage gap analysis enabled evidence-based planning for vaccine procurement, session planning, and targeted interventions
• Improved Programme Outcomes: Better monitoring and timely data availability contributed to improvements in immunization coverage and reductions in dropout rates
• Scalable Architecture: The platform architecture successfully handled national-scale data volumes and concurrent user loads

Why Velocity?

Velocity Software Solutions was selected as the technology partner for this national-scale health platform based on our:

• Extensive experience with national health information systems in India, including deep familiarity with NCCMIS, eVIN, and HMIS
• Strong ASP.NET and MS SQL Server expertise aligned with the government’s technology standards
• Proven capabilities in building both web and Android platforms with offline-first mobile architecture
• Experience in multi-source data integration for large-scale health dashboards
• Track record of deploying on government infrastructure with compliance to security and hosting standards
• Long-standing partnership with UNICEF India across multiple health technology projects
• Deep understanding of India’s Universal Immunization Programme and its monitoring requirements at every administrative level

Velocity Software Solutions is a trusted technology partner for India’s immunization ecosystem, building platforms that provide actionable intelligence to protect the health of millions of children across the nation.