The 9th Edition (Revised Reprint) of Essentials of Pharmacology presents thoroughly updated chapters incorporating new therapeutic advances and recently approved drugs, including Semaglutide, Dapagliflozin, Sacubitril, Suvorexant, Netarsudil, Mirabegron, Inclisiran, and Rimegepant, among others. It covers the latest treatment and prophylaxis guidelines under the National Health Programs and includes updated COVID-19 drugs, vaccines, and ICMR/AIIMS management protocols. The edition emphasizes evidence-based medicine with references from WHO, ACC/AHA, NICE, SIGN, and Cochrane reviews, and includes the WHO AWaRe antibiotic classification. New chapters on drug dependence, environmental toxicology, and poisonings enhance clinical relevance. A complementary question booklet with over 1,200 MCQs, reasoning, case-based, and OSPE questions aligned with the NMC curriculum makes this edition a complete learning and exam-preparation package for medical students.