The first and only ENT textbook that is developed on the basis of the Competency-Based Medical Education (CBME) of Graduate Medical Education Regulations (GMER) 2019 of National Medical Commission (NMC)/Medical Council of India (MCI). Competency numbers included in the table of content as well as in the chapters. Each chapter begins with the details of the subject competencies. Case studies incorporated liberally in the chapters and additional problem-based cases provided in the appendix. Instructive boxes, tables, flowcharts, line diagrams and photographs to enhance learning. Numerous carefully drawn colored illustrations enhancing understanding and retention of facts. Clinical applications highlighted and integrated in the text. Comprehensive and of broader scope book designed for students, residents and practitioners. Balanced presentation of content and emphasis on the practical features of clinical diagnosis and patient management. Brevity, conciseness, readable format, up-to-date discussions and easy accessibility of key information. Each chapter has sets of objectives (competencies) which students are supposed to answer after going through the section/chapter which would facilitate the targeted and attentive reading. For the quick revision of students, chapters end with the clinical highlights and additional important points. The self-evaluation exercises, multiple choice questions (MCQs), true or false, fill in the blanks, figure-based questions and matching are especially prepared for answering frequently asked MCQs (PGME, USMLE and PLAB), short-answer questions and oral/viva questions. Appendix having clinical secrets, key points and problem-oriented cases. Chapters reviewed by NMC's subject experts and ENT professors at various medical colleges.