This Manual is designed to impart a fundamental knowledge on the art and science of various unit operations used in pharmaceutical industry.To know various unit operations used in Pharmaceutical industries.To understand the material handling techniques.To perform various processes involved in pharmaceutical manufacturing process. Students can understand the Principles and working of the various unit operations of size reduction, Separation ,Heat transfer ,Evaporation, Distillation, Centrifugation, Drying with its operating variables.