The document outlines the key business processes in an Indoor Patient Department (IPD) and how they can be managed through an ERP system. It describes the initial process when a patient arrives, including registration, bed allocation, file creation, and transferring the patient to the appropriate ward. It then discusses upstream and downstream departments that interact with IPD like administration, pharmacy, labs, billing etc. Finally, it categorizes the different types of data handled in an ERP system for IPD as operational, transactional, and master data.