The document outlines guidelines for monitoring and reporting adverse events following immunization (AEFI) in India. It describes who should report AEFIs at different levels (ANM, MO, DIO, SEPIO), what types of events to report (serious vs. minor), and reporting timelines. It also defines the roles and responsibilities of key players in AEFI surveillance and investigation at the primary health center, district, state, and national levels. The goal is to monitor vaccine safety, maintain public confidence in immunization programs, and help improve service quality.