Chathuranga LMS – Hybrid Learning Management Ecosystem
When a tuition empire processing 500+ daily payments discovered they were hemorrhaging Rs. 2M monthly to bank slip fraud, SoftGen built a fortress. PayHere auto-verification, AI fraud detection, and an exam engine that never sleeps.
Transforming Disconnected Workflows Into a Unified Digital Engine
Chathuranga Educational Services is one of Sri Lanka's largest private tuition networks, processing 500+ student payments daily across multiple subjects and class tiers. When they came to SoftGen, their admin team was manually verifying bank transfer slips — and losing the war against sophisticated slip fraud. We didn't just build a payment system; we engineered a complete institutional operating system that eliminated fraud, automated exams, and gave parents real-time visibility into their children's academic progress.
Key Architectural Takeaways
Addressing Real Operational Bottlenecks
How SoftGen dissected operational friction and engineered a high-concurrency cloud solution.
The Operational Challenge
Legacy Workflow Deficiencies
The institute's payment verification nightmare was staggering: students were submitting cropped, re-used, and even Photoshopped bank slips. A single admin staff member was spending 6+ hours daily cross-referencing slips against bank statements — and still missing an estimated Rs. 2M monthly in fraudulent submissions. Meanwhile, 800+ students queuing for manual check-in at physical class entrances were causing 30-45 minute delays, eating into actual teaching time.
- ✕Fragmented learning materials spread across email, messaging apps, and static drives
- ✕Zero telemetry into whether trainees completed reading assignments or practice tests
- ✕Reliance on third-party video call subscriptions with no native LMS attendance tracking
Our Engineered Solution
Custom Cloud Architecture
SoftGen's approach attacked both problems simultaneously. For payments, we integrated PayHere with real-time Instant Payment Notification (IPN) webhooks — meaning the system verifies transactions at the bank level, not the screenshot level. For legacy bank transfers, we built a perceptual hash (pHash) matching engine that fingerprints every uploaded slip and instantly flags duplicates across the entire historical database. For attendance, we deployed a military-grade QR gateway that processes 1,000 scans in under 10 minutes.
- Unified portal with role-isolated dashboards for Admins, Trainers, and Trainees
- Interactive assessment engine with automatic grading, rubrics, and feedback loops
- Embedded LiveKit WebRTC video meetings avoiding external software overhead completely
End-to-End Operational Lifecycle
How training assets, evaluations, and real-time sessions flow securely through the system.
Identity & RBAC
Row-level access rules separating Admins, Trainers, and Trainee permission scopes.
Secure Courseware
DRM-protected PDF viewer and centralized video library with zero download leakage.
Evaluation Engine
Randomized quizzes, manual exercise rubrics, and automated grading pipelines.
WebRTC Classroom
Low-latency virtual rooms powered by LiveKit Cloud with waiting-room moderation.
Real-Time Telemetry
Continuous trainee scoring, attendance metrics, and automated administrative reporting.
Modular Systems Built for Scale
Each module was architected to replace friction-heavy manual processes with automated software workflows.
PayHere Real-Time Verification
Webhook-based IPN integration that confirms payments at the banking infrastructure level. No screenshots, no manual checks — the system knows within 3 seconds if a payment is legitimate, and auto-enrolls the student instantly.
pHash Fraud Detection Engine
Every bank slip is fingerprinted using perceptual hashing algorithms. If a student uploads a slip that's even 85% similar to any previously submitted slip across the entire database, it's flagged and blocked automatically — catching even sophisticated Photoshop edits.
Adaptive Exam Simulator
Timed MCQ exam engine with randomized question ordering, anti-tab-switch detection, and automatic grading with detailed analytics. Teachers create once; the system generates unique test variants for each student.
Logistics & Materials ERP
Integrated module for tracking physical study material shipments — from printing to courier dispatch to student delivery confirmation. Eliminated the 'I never received my notes' dispute entirely.
Modern, Scalable Enterprise Stack
Carefully chosen frameworks and cloud infrastructure for extreme velocity, security, and low latency.
Measurable Operational Impact
Concrete performance metrics and organizational improvements verified in live production.
Audited Performance
99.9% Payment Auto-Verification Accuracy — eliminating 6+ hours of daily manual work
Zero Duplicate Slip Fraud — recovering an estimated Rs. 2M+ monthly in previously lost revenue
40% Faster Student Entry at physical centers, reclaiming 30+ minutes of teaching time daily
500+ Daily Transactions processed without a single downtime incident in 12 months
“The automation SoftGen brought to our institute is unbelievable. We completely eliminated slip fraud and our administrative staff is now 3x more productive.”
SoftGen Enterprise Assurance
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