Android application able to perform online consultations (telemedicine)

We pursue to develop a medical Android application able to perform online consultations (telemedicine). It must be modern and easy to use and developed along with the desired characteristics given in this document. Mobile app characteristics - Patient and Doctor General characteristics a. Log in and/or registration with mobile OTP b. Book Doctor for online consultation c. Selection of animal type Like Dog, Cat, etc d. List of Doctors with qualification profile image and fees for consultation with waiting time for a doctor like Consult IN 18 min. e. Make payment f. Chat screen appears g. Patient can initiate a chat with a doctor. The doctor calls the patient within 30 min after booking. h. Doctor receives the notification of payment made against booking as well as admin. i. Doctor can call in-app video and audio to patient mobile. The patient can close the app or any other page of the same app. Doctor call receives an option in any mode with active internet. b. Payment methods (Razorpayor any other Indian payment gateway) c. Payment history c. Video and phone calls (we want to use already build API, this companies have already studied all the variables for a good video call) e. Messages system to patient, doctor f. Send and receive files in messages during a video call and after it, like a medical prescription Admin