🚆 MITHRA – Agentic AI + RAG Powered Multilingual Voice Assistant for Chennai Metro

MITHRA is an AI-powered, agentic, multilingual voice bot system that leverages Gemini LLM and Retrieval-Augmented Generation (RAG) for metro passenger guidance and autonomous ticket booking. It offers multilingual voice support in Tamil, English, and Hindi, making the metro more accessible to a wider commuter base.

The system follows a multi-agent architecture with two specialized agents:

• 🚇 Passenger Guidance Agent – provides route planning, station facilities, and navigation support
• 🎟️ Ticket Booking Agent – autonomously books tickets, simulates payment, and generates QR codes

This project was co-developed over 4 months as part of an IT internship with Chennai Metro Rail Limited (CMRL) and officially submitted to Anna University as our final-year industry project.

🎥 Demo Video

🔗 Click here to watch the Demo Video.

🚀 Tech Stack

• Frontend: HTML5, CSS3, JavaScript, Bootstrap
• Backend: Flask (Python)
• Database & Knowledge Store: SQLite (station details, ticket history, metro line schema)
• APIs & SDKs:
  • Web Speech API (Speech-to-Text)
  • Google gTTS (Text-to-Speech)
  • Gemini API (Generative AI)
  • CMRL APIs (station details, fare, QR ticket generation)
• AI/ML Components:
  • Gemini Flash Models (LLM)
  • Retrieval-Augmented Generation (RAG)
  • Natural Language Processing (NER, Intent Recognition)
• Tools: Postman (API testing)

Authors

1. 👩‍💻 Fathima Zulaikha
2. 👨‍💻 Byleen Janet Roy