This is a Practo inspired script built beautifully with laravel and bootstrap. Apart from doctor booking it has a nice clinic and doctor search, Patient record maintenance, Scheduling, Slotting, Report management, calendar and much more.
Apart from Booking it has ready revenue models implemented where doctors can get register and pay subscription, Doctor/Clinic can pay to be on top of search results and various spaces left for contextual ads.
This is one stop solution to start a business.
Along with script i will give you a complete guide to use the system, earn via system and how to install.