AI-Powered Healthcare Knowledge Site

Project Overview

Need to develop an AI-powered subscription based website where users can ask questions and receive answers generated from uploaded PDF books and website data.

The AI should search the provided knowledge base (PDFs + website content) and generate smart human-like responses instead of directly copying text.

Main Features Required
1. AI Chat System
AI chatbot interface
User can ask questions in Hindi & English
AI should answer using:
Uploaded PDF books
Website data/content
AI should provide accurate knowledge-based answers
Responses should feel natural and human-like
AI should understand user query context
2. PDF & Website Knowledge Base
Upload and process 200+ PDF books
AI should search information from PDFs
AI should also use website content as knowledge source
Fast semantic search system required
Support large knowledge database
3. Reference System

AI response should include:

Book/Page reference
Source reference from website if applicable

Example:

Source: XYZ Book – Page 125

4. User Authentication
User Signup/Login
Email & Password login
Forgot password
Dashboard for users
5. Subscription System

Monthly paid subscription required.

Features:

Razorpay payment integration
Monthly recurring subscription
Subscription expiry management
Access only for paid users
Restrict AI chat for non-subscribed users
Admin Panel Required

Admin should be able to:

Upload PDFs
Manage users
Manage subscriptions
View payments
Add/update website knowledge
Manage chatbot settings
Technical Requirements

Preferred Tech Stack:

Frontend: Next.js / React
Backend: Node.js or Python
Database: PostgreSQL / MongoDB
AI Integration: OpenAI API / Claude API / Gemini
Vector Database for PDF search
Razorpay Subscription API
Important Requirements
Fast response speed
Mobile responsive UI
Secure login/payment system
Scalable architecture
Clean modern UI
SEO friendly website
Deliverables

Freelancer should provide:

Complete source code
Admin panel
Deployment support
Razorpay integration
AI knowledge integration
Documentation
Hosting

Hosting already available on Hostinger.
Developer should guide if VPS/server upgrade is required for AI functionality.