Indian Parking Application - Project Ideas

Hi
i have purchased this app https://codecanyon.net/item/parking-spot-booking-android-ios-template-flutter-parkspot/32138781

I need some idea about implementing this project in India.
Basically i want to know how we can implement this.
How user gonna use this app for parking - (Exp: Booking, QR scan )
How we get profit from it.

Thanks