Preamble means the part of a document which serves as introduction. The Preamble to the Indian Constitution declares the aims and objectives of the Constitution and for that matter of the Indian Union itself. India is to be a Sovereign Socialist Secular Democratic Republic. This means that India is to be a Sovereign Republic in which the sovereignty vests in the people. The exercise of the sovereignty is to be done in a democratic way with a view to reaching the goal of socialism. Thus in the Indian Republic there shall be social, political and economic justice for all there shall be liberty of thought, expression, belief faith and worship for all alike. There shall be equality of status and of opportunity, and promotion of fraternity among all people assuring the dignity of the individual and unity of the Nation.