Audio & Video Calling App Development (HELLOMITRA) -- 2

I am looking for a developer to create a simple but functional audio and video calling app with the following 8 basic features: 1. User Registration & OTP Login 2. User Profile Setup 3. Audio Calling 4. Video Calling 5. Payment Gateway Integration 6. Contact/Helpline/Toll-free Support 7. My Account Section (History/Wallet/Vault) 8. Admin Panel for Basic User Management The fixed budget is strictly between ₹40,000 and ₹50,000 INR. The ideal candidate should be able to deliver a scalable, lightweight application within this budget.