Just as every book we read, comes with a preface which gives us a brief outline and the central theme of that book, so is the case with the preamble of Indian Constitution.
The Preamble being the preface of the constitution lays down the basic makeup of the Constitution.

The Indian Preamble highlights the type of society and government it wishes India and Indians to have.  For this, it has tried to incorporate the objectives of the Constitution in a nutshell. The Preamble of the constitution has used the noblest words which symbolize the highest principles and values of human creativity and experience.

World over, the Preamble of the Indian Constitution is regarded highly for its originality in wholeness of approach in dealing with so many subjects.

The Indian preamble wishes India to be a country where there should be no high class and low class of citizens; an India in which all communities will co-exist in perfect harmony.