Dr. Manu P. R. is an Assistant Professor with a Doctor of Pharmacy (Pharm.D.) qualification and 5 years of academic and professional experience. He is actively involved in teaching and academic activities in the field of pharmacy and is committed to providing students with clear, practical, and clinically relevant knowledge. With his experience in pharmacy education, Dr. Manu P.R. focuses on developing students’ understanding of pharmaceutical sciences and their application in healthcare practice. His academic experience and professional perspective contribute to the preparation of this textbook, with an emphasis on conceptual clarity, practical relevance, and student-friendly presentation.