The document provides information about transportation and parking options at AIIMS hospital in Delhi, as well as instructions for booking appointments and visiting the neurosurgery outpatient department. It notes that the Parikrama bus service runs every 3 minutes between key locations at AIIMS from 7am to 9pm. It also outlines the process for booking appointments through the website, IVRS line, mobile app, or call center, and details the schedules and locations for neurosurgery OPD units and investigations.