⚖️ Legal AI Chatbot

AI Chatbot for Legal Advice Based on Indian Laws

Legal AI Chatbot is an AI-powered web application designed to provide first-level legal guidance based on Indian laws. The system helps users understand legal concepts, rights, and procedures in a simple and accessible way.

The chatbot uses Natural Language Processing (NLP), retrieval-based search, and Large Language Models (LLMs) to understand user queries, retrieve relevant legal information, and generate simplified responses.

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📌 Project Overview

Access to reliable legal information in India is often limited due to:

• High consultation costs
• Complex legal terminology
• Low legal awareness
• Lack of multilingual support
• Limited access in rural and semi-urban regions

This project solves the problem by providing an intelligent chatbot that can answer legal queries related to Indian laws in a simple and user-friendly manner.

The system is designed to support:

• Legal query answering
• Indian law-based response generation
• Multilingual accessibility
• Voice-based interaction
• User authentication
• Document and PDF-based legal assistance

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🎯 Objectives

• To provide basic legal guidance based on Indian laws.
• To simplify complex legal language for common users.
• To improve legal awareness among citizens.
• To support multilingual and voice-based interaction.
• To assist users in understanding legal rights and procedures.
• To build an AI-based legal assistant using NLP and LLM technologies.

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✨ Key Features

• AI-powered legal chatbot
• Indian law-based legal query processing
• Gemini API integration
• NLP-based query understanding
• Retrieval-based legal information access
• User authentication using JWT
• MongoDB database integration
• PDF-based legal document Analyzer
• Responsive frontend interface
• API-based backend architecture
• SRS, synopsis, report, and research paper documentation included

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🏗️ System Architecture

The project follows a modular architecture:

User
 ↓
Frontend
 ↓
Node.js Backend
 ↓
Python NLP Backend
 ↓
Legal Dataset / MongoDB / Gemini API
 ↓
Response Generation
 ↓
User Interface

🚀 Installation and Setup

git clone https://github.com/hrutik05/Legal-AI.git
cd Legal-AI

🌐 Frontend setup

create .env file and put in

• VITE_API_BASE_URL= local_host_url

cd frontend
npm install
npm  run dev

⚙️ Chatbot_backend setup

cd chatbot_backend
python -m venv venv
venv\Scripts\activate
pip install -r requirements.txt
uvicorn server:app --reload --port 8000

📄 Backend setup

create .env file and put this value

- GEMINI_API_KEY="yours key"
- PYTHON_BACKEND_URL=http://localhost:8000
- VITE_API_BASE_URL=http://localhost:4000/api
- JWT_SECRET="secret-1234"
- JWT_EXPIRES_IN=
- MONGO_URI= "your's url"
- PORT=4000

cd backend 
npm install 
nodemon index.js

📦 Required Node Packages

npm install cors express dotenv mongoose helmet morgan express-rate-limit nodemon nodemailer @google/generative-ai

🔧 PDF-Backend Setup

cd backend
python -m venv venv
venv\Scripts\activate
pip install -r requirements.txt
GEMINI_API_KEY=your_gemini_api_key_here
uvicorn app.main:app --reload

📘 Documentation

Download SRS Report
Download Final Synopsis
Download Sem 7 Report
Download Research Paper

📊 Expected Performance

Metric	Result
Query Mapping Accuracy	82% – 87%
Average Response Time	2 – 4 seconds
Supported Query Type	Natural language legal queries
Response Format	Simplified legal explanation

⚠️ Legal Disclaimer

This chatbot provides basic legal information and awareness only. It does not replace professional legal advice from a qualified lawyer or legal expert.

For serious legal issues, users should consult a licensed advocate.

✅ Conclusion

Legal AI Chatbot is a practical AI-based solution that improves public access to legal information in India. By combining NLP, LLMs, legal datasets, and chatbot technology, the system helps users understand legal concepts in a simple, fast, and accessible manner.

👨‍💻 Author

Hrutik Wakale

Project: AI Chatbot for Legal Advice Based on Indian Laws