This document provides a software requirements specification for a Hospital ERP System. It describes the purpose, scope, definitions, and overview of the system. The system allows for registration of patients, doctor login, appointment booking, viewing of patient information, pathology testing, prescription of medicine, paramedic services, doctor modules, report generation, billing, and maintenance. It outlines user characteristics, functional requirements including various modules, use cases, and non-functional requirements. Diagrams including sequence, data flow, and state transition diagrams are also included.