The constitution of India is remarkable for many outstanding features which will distinguish it from other constitutions, even though there were members in the constituent Assembly who criticized the constitution which was going to be adopted as a slavish imitation of the west or not suited to the genius of the people. The constitution of India was adopted on November 26, 1949. Some provision of the constitution came into force on same day but the remaining provisions of the constitution came into force on January 26, 1950. This day is referred to the constitution as the "date of its commencement", and celebrated as the Republic Day. The Indian Constitution is unique in its contents and spirit. Through borrowed from almost every constitution of the world, the constitution of India has several salient features that distinguish it from the constitutions of other countries. This concise and legible book will provide key text to all students, teachers and researchers.