Allow me to help you out:
1. You can sell servicing rights(not the app) to malls, theatres and privately operated airports in India like in Mumbai to automate the parking systems.
2. You can also sell the service to corporates with an elaborate business proposal on how it will regulate the place.
3. You can introduce it first to a heavily digitised city like pune in public place using qr codes, banners and designated spots.
To know more, let's connect!