This book is mainly written as per the competencies based on new revised competency-based medical education (CBME) curriculum. So, this book can be used by any students in India who are following NMC guidelines.this book contains long essays, short essays with key answers which are mostly in the form of flowcharts to help student better understanding and recall. It also contains case-based questions which is a component of their theory question paper. It also contains solved MCQs, which will help students to prepare for their examinations.The second edition of this book incorporating all changes required for exam preparation.