Directive Principles complement fundamental rights as the former is fundamental to governance of the country. ... People can enjoy their rights to the fullest only when there is social and political equality, justice and liberty. (Directive Principles aims at ensuring social and economic equality and justice).

How fundamental rights and directive principles are complementary to each other?

The Fundamental right represents the civil and political rights and the directive principles embody social and economic rights. Merely because the directive principles are non-justiciable by the judicial process does not mean that they are of subordinate importance.

Are fundamental rights and directive principles contradictory or complementary?

Union of India, the Supreme Court said that Fundamental rights and DPSP are supplementary and complementary to each other and the preamble to the constitution which gives an introduction, fundamental rights, DPSP are conscience of the Constitution.