The Constitution of India starts by Preamble. The Preamble basically includes the principles of the Constitution and its ideals, objectives. The primary features of the Constitution have been drafted from these objectives which originates from the Preamble.
Indian Constitution has amalgamated the best features from constitutions of some prominent countries of the world as per the social economic demographics of India. The constitution of India has certain inherent and ingenuous features that distinguish it from other constitutions of the World.