This book mainly explained about novel coating technology, and delivery of drug based on pharmacology of disease. From the evaluation study such as ftir, sem, swelling study, in-vitro release, acid uptake study etc. Anyone can understand how the drug will release in the body based on pharmacological activity of disease and its otherwise called as night time delivery system because this book discussed about the diseases which are more prone on night time compared to normal type of diseases. In this book, two type of coating technology were used to explain the release of drug and how those methods are more superior than conventional type of delivery system.