The 3rd edition of this title aims to cover the existing MCI syllabus, as well as cater to the independent universities across India, so that the result is a comprehensive undergraduate text in Biochemistry, which can be used in all courses that teach Biochemistry at that level. The highlight features of this book include developing the student's analytical ability and correlation with other subjects to enhance relevance of the subject with the actual clinical scenarios the student will encounter. The liberal use of unique illustrations and tabular columns to complement the easy to understand language and content delivery, which is a stand out in the book, make a complex subject more appealing. The presentation has been improved with the inclusion of several highlighted boxes and modified color scheme. The Question Bank, MCQs and Clinical Riddles have been edited to retain material that are thought provoking and relevant from the exam point of view.