'This book is prepared as a helpline that emphasizes to provide a comprehensive study material for students studying in college. All the units of paper A&B have been dealt by consulting comprehensive sericulture literature in the form of specialized books, research article etc.\nWe hope that this book will be a useful addition to the students in ascertaining the information as per the syllabus guidelines.\nWe wish to express our appreciation to publishers of books, individuals and organizations whose data and information has been included in the preparation of this book.'