We are looking for a developer/team to build a complete ISP system including: 1. Business Website 2. Customer Mobile App (Android) 3. Web Customer Portal All integrated with our existing CRM (OneRadius) via API. Core Features: * Customer login (via CRM/API) * Dashboard (plan, due amount, status) * Pay Now (UPI integration) * Invoice & payment history * Admin-independent system (no CRM rebuild) Website Requirements: * Modern, responsive design * Pages: Home, Plans, About, Contact, Login, Customer Care Customer Care (MANDATORY): Must be clearly visible on: * Website homepage * App home screen * Web portal Must include: * Toll-free number * Complaint contact (email + address) * Complaint process * Resolution time * Appellate authority details (name, contact, address) Conditions: * Available in English, Hindi, and regional language * Easily accessible (not hidden) * Information must be editable Technical: * API integration with CRM (OneRadius) * Android (Kotlin preferred) * Web (React/Next.js preferred) Deliverables: * Android app (APK + source) * Website + web portal * CRM integration * Basic documentation Share your portfolio, timeline, and cost.