Case Study

Enabling Seamless Metro Travel with Rechargeable QR Codes

Require physical purchase before every ride.
Lead to long queues during peak hours.
Generate significant plastic/coin waste.
Offer zero digital footprint for analytics.
Reusable but require manual recharge at kiosks.
Prone to loss, damage, or misuse.
Lead to environmental waste from plastic manufacturing.
High hardware maintenance and distribution overhead.
Physical Degradation: Susceptible to wear and tear due to repeated handling, reducing reliability.
Security Limitations: Easier to duplicate or misuse.
Lack of Flexibility: Limited support for dynamic fare models or personalized engagement.
Manual Recharge Dependency: Require physical kiosks to top-up, creating long queues and user frustration.
Operational Overhead: High need for staff and maintenance of recharge infrastructure.
Exit Discrepancy Issues: If a user buys a ticket for Station X but exits at Station Y, staff intervention is required to settle the fare difference.
Scalability Constraints: Ineffective during crowd surges like festivals or emergencies.

High CapEx/OpEx on Legacy Systems: Hardware procurement, installation, and maintenance are expensive.
User Inconvenience: Long queues and risk of card/token loss hurt the commuter experience.
Environmental Burden: Significant non-biodegradable waste from physical ticketing.
Data Gaps: No analytics for demand forecasting, crowd prediction, or journey mapping.
Low Scalability: Legacy systems can’t dynamically adjust during high footfall events.
Human Dependency: Fare mismatch handling and customer service require continuous staff involvement.

Users register via the metro app and generate a persistent multi-use QR code.
They top-up their QR wallet using UPI, cards, mobile wallets, etc.
They scan the same QR at the entry/exit gates, triggering fare deduction.
The system sends real-time notifications for top-ups, receipts, and travel history.
No hardware dependency—just a smartphone and the app.

100% Mobile-First: Reduces reliance on physical infrastructure.
10% Fare Discount: Incentivizes digital shift.
Real-Time Recharge: Avoid queues and station recharges.
Environmental Impact: No paper or plastic waste.
Smart Notifications: Custom alerts for balance, updates, or promotions.
Staff Efficiency: Reduces kiosk load and human interventions.
Data Insights: Journey patterns, peak usage, and station-wise heatmaps, not only inside the stations but outside too using mobile pings.

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