The document provides a comprehensive overview of pharmacovigilance, including its definition, significance in public safety, and the role of regulatory authorities across various countries. It discusses the International Council for Harmonisation (ICH) and its guidelines related to pharmacovigilance, which cover safety reporting, risk management, and good clinical practices (GCP). Additionally, it outlines the Good Pharmacovigilance Practices (GVP) modules and their relevance in maintaining drug safety throughout various phases of drug use.