Arav-Arun/Nandi

Lost person reunification system for Kumbh Mela 2027 made at Claude Impact Lab, Mumbai 2026 # 🐂 NANDI - Missing-Persons Reunification **Simhastha Kumbh Mela 2027 · Nashik–Trimbakeshwar** NANDI reunites missing people with their families at one of the world's largest human gatherings (8–10 crore pilgrims). A family reports a missing person in any language - by voice, Telegram, or at a booth. When someone is found and registered, NANDI ranks likely matches for a booth operator using **multilingual semantic search** (pgvector) and **graph validation** of the venue's geography (Neo4j). The operator confirms; the family is notified with a booth location and a one-time verification code they present to collect their relative. > Built as an **operational control tool**, not a demo: the booth console, the > family intake, and the command dashboard are designed for real use on cheap > Android phones in bright daylight. Command dashboard Operator console Family intake · Marathi Zone broadcast Whole-UI translation · Tamil Broadcast delivered --- ## What it does | Surface | For | What happens | |---|---|---| | **Intake** | Families | Report a missing person by **voice in any of 11 Indian languages** (Sarvam STT) or free text. An LLM extracts name/age/gender/clothing/last-seen into the form. An optional photo is auto-described and folded into the search text. | | **Operator** | Booth staff | A live queue of cases. Register a found person → **AI-ranked candidates** with confidence + plain-language reasons. Confirm → verification code → mark reunited when the family arrives. | | **Dashboard** | Command centre | Live operational metrics - open workload, escalations, high-risk cases, per-day load, language/channel/age/hotspot breakdowns. | | **Broadcast** | Escalation | Reach a whole zone at Kumbh scale by posting once to its **Telegram channel** (see below). | ### Highlights - **Whole UI translates** into every Sarvam-supported language (English, Hindi, Marathi, Bengali, Telugu, Tamil, Kannada, Gujarati, Malayalam, Punjabi, Odia) - real tran …