We have great pleasure in introducing the present book to B.Com., M.Com., MPM, BBA, DBM, BSL & LLB students. This book will necessarily enhance understanding of Mercantile and Industrial Law manifold of the learners. We have made sincere and honest effort focusing on the subject in a lucid manner. Section numbers of the relevant statues have been mentioned so that students may find it convenient to refer to them. The purpose of this book remains to introduce students, teachers and users to the exciting and challenging branch of law viz Mercantile and Industrial law. The object of this book is to state and explain the leading principles of Mercantile and Industrial law. We have attempted to present the subject as briefly as possible. While going through this book reader will realize the practical perspective expressed through it. So we hope the book will acquaint the students with the subject and will create interest in the subject.