This Book is concerned with presenting a comprehensive review on colon-specific drug delivery. This includes colon drug delivery and its approaches to colonic drug delivery via oral route and evaluation of colon-specific drug delivery system. The book is the result of fruitful teamwork and collaboration of authors include Professor (Dr.) Manish Kumar and Professor (Dr.) A. Pandurangan MM College of Pharmacy Maharishi Markandeshwar(Deemed to be University) Mullana Ambala-133207 Haryana India as well Professor (Dr.) Vipin Saini MM University Solan Himachal Pradesh India. This Book is concerned with presenting a comprehensive review on colon specific drug delivery. This includes approaches to colonic drug delivery via oral route and evaluation of colon-specific drug delivery system.