The main objective of the book is to explain the fundamentals of Remedial Biology in the simplest possible language, in an easy to understand way for the students. The textbook keeps a balance between the basic essentials and advanced areas of knowledge, apart from discussing the usual topics. Effort has been made mainly to focus on the primary aspects for students of pharmacy completing their course as per latest PCI Course Regulation 2020 (subject codes BP-112 P). The book covers a wide range of areas in brief and contains a comprehensive description. The basic text in simple language not only deals with the basic concepts but also emphasizes technical and practical aspects.