This book deals with religion and some related issues from the standpoint of realistic Philosophy. Some of the questions addressed in this book are: what is religion? Is religion merely a set of beliefs and practices common to a large number of people in a community? How are we to understand unity and diversity of religions? Is there any solution to religious conflicts? How far is religious conversion or re-conversion just? etc. The author makes a thorough and critical examination of these issues and presents novel and stimulating answers to them.