1. Introduction to the Textbook Physical Pharmaceutics – II by Dr. C.V.S. Subrahmanyam is a standard reference textbook widely adopted in Bachelor of Pharmacy (B.Pharm) programs, particularly those following the Pharmacy Council of India (PCI) curriculum. As the second volume of a two-part series, this book bridges fundamental physical chemistry principles with advanced pharmaceutical applications. It is essential for understanding how the physicochemical properties of drug molecules influence dosage form design, stability, manufacturing, and in-vivo performance.