AI-powered MTB-MLE platform connecting Hindi teachers with Santhali, Ho and Mundari through offline-first retrieval, pedagogical adaptation, translation and classroom intelligence.
# 🌉 BhashaSetu AI (भाषासेतु) — Enterprise MTB-MLE AI Scaffolding Platform
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**Mother-Tongue-Based Multilingual Education (MTB-MLE) AI Scaffolding, Live Voice Translation, Edge RAG, and Offline Field Synchronization for Primary Schools in Jharkhand.**
### Developed by **Team SHIVI@808** for **National Skill India Hackathon (SIH 2026)**
*SHIVI = Smart Hybrid Intelligence & Virtual Integration*
Architecture Overview • Product Requirements (PRD) • Technical Architecture (TAD) • Software Architecture (SAD) • Functional Spec (FSD) • Traceability Ledger (FTL)
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> [!IMPORTANT]
> **SIH Problem Statement (SIH26042):** BhashaSetu AI solves the linguistic disconnect between non-native Hindi-speaking primary school teachers and tribal students whose mother tongues are **Santhali (Ol Chiki)**, **Ho (Warang Chiti)**, and **Mundari (Devanagari)**. The platform enables curriculum delivery, real-time voice translation, and formative assessments with **100% offline classroom durability**.
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## 📑 Table of Contents
1. Team SHIVI@808 Structure & Ownership
2. Executive Summary & Educational Context
3. Target Languages & Script Unicode Matrix
4. Master Full-Stack Architecture
5. Subsystems Deep Dive
- A. Web Frontend (`apps/web-frontend`)
- B. Android Edge Client (`app/` / `apps/mobile`)
- C. Enterprise Gateway Core (`services/web-backend`)
- D. AI / ML Microservice (`services/ai-platform`)
- E. Shared Contracts (`packages/contracts`)
6. Business Logic & Pedagogical Invariants
7. Hybrid RAG Retrieval Engine
8. Live Voice-to-Voice Latency Budget
9. Offline-First Local Storage & Durable Outbox Sync
10. Hardware Profile & Low-Resource Edge Envelope
11. Complete API Reference Catalog
12. Automated Verification & Benchmark Proofs
13. District Pilot Implementation Plan
14. Living Master Documentation Suite
15. Quickstart & Deployment Guide
16. Security, Governance & Data Sovereignty
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## 👥 Team SHIVI@808 — National Skill India Hackathon …