The document outlines pharmacovigilance and materiovigilance systems that monitor the safety and effectiveness of drugs and medical devices in India. It details the objectives and goals of the Pharmacovigilance Program of India (PVPI) and the Materiovigilance Program of India (MVPI), emphasizing the importance of reporting adverse drug reactions and the responsibilities of regulatory bodies like CDSCO. Additionally, it describes the methodologies for causality assessment of adverse events and the regulatory framework established under the Drugs and Cosmetics Act.