New topics have been added to relevant chapters covering recent advances, high yield chapters with question Banks for practice. The ever-changing pattern of the competitive exam acts as a challenge for us to improve and adapt new editions with relevant updates in accordance with the changing times. Additionally, as supplement to the text, pictures, and tabular columns, have been provided as an assist to condense extensive topics. Along with questions provided at the end of select chapters, to serve as self-assessment, question Banks have been provided at the end of the book acting as mock tests for the final exam. This book will help as supplement to mainstream subject books in the preparation for the competitive exams by providing a template and focusing on High yield chapters.