Meghdoot — Enterprise Communication Gateway (SMS, Email & WhatsApp)
A high-throughput, carrier-agnostic messaging and notification engine featuring automatic failover, DLT template compliance, dynamic OTP dispatch, and unified WhatsApp Business API automation for critical citizen portals.
Interactive System Inspection Deck
High-concurrency data models, validation checks, and operational controls executed by this platform.
Why This Solution Was Mandated
Legacy manual registers, fragmented paper files, and unverified data led to severe processing delays, public litigation, and audit disputes. ABS was commissioned to design a zero-defect, automated platform.
State admission portals and university systems require instant delivery of OTPs and hall tickets, but telecom carrier outages cause critical dropouts.
Managing multiple vendor contracts for SMS, WhatsApp, and transactional Email creates integration complexity and high costs.
Indian telecom regulations (TRAI DLT) require strict header and template whitelisting; non-compliant messages are silently blocked.
Engineering Architecture Delivered by ABS
System Capability 01
Engineered the *Meghdoot* Communication Gateway, a high-throughput, carrier-agnostic messaging platform.
System Capability 02
Implemented intelligent dual-path failover: if a WhatsApp notification is unread or fails within 15 seconds, it automatically reroutes via transactional SMS.
System Capability 03
Built native DLT template management supporting dynamic variables with automated pre-validation before submission.
System Capability 04
Created high-concurrency RESTful APIs and webhook queues capable of dispatching 50,000+ messages per minute during peak CET registration hours.
End-to-End Operational Lifecycle
API Message Trigger
Portal sends notification payload with phone number, email, and variables.
Template & DLT Validation
Gateway verifies sender ID, PE-ID, and template match against TRAI rules.
Primary Route Dispatch
Delivers via high-engagement WhatsApp Business API or prioritized OTP route.
Failover Rerouting
If delivery receipt is not received, gateway instantly fires fallback SMS.
Institutional Outcomes & Positive Impact
Eliminated citizen complaints regarding missing OTPs and unreceived admission counseling alerts.
Reduced communication infrastructure costs by over 35% through smart-channel prioritization.
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