The constitution lays down certain directive principal of state policy which though not justiciable are fundamental in governance of the country and it is the duty of the state apply these principle in making laws these law downs that the state shall strive to promote the walfare of people by securing and protecting as effectively as it may ,a social order,in which justice -social ,economic and political-shall form in all institution of national life
The Directive Principles of State Policy are guidelines or principles given to the central and state governments of India, to be kept in mind while framing laws and policies. These provisions, contained in Part IV of the Constitution of India, are not enforceable by any court, but the principles laid down therein are considered fundamental in the governance of the country, making it the duty of the State to apply these principles in making laws to establish a just society in the country. The principles have been inspired by the Directive Principles given in the Constitution of Ireland relate to social justice, economic welfare, foreign policy, and legal and administrative matters.

Directive Principles are classified under the following categories: economic and socialistic, political and administrative, justice and legal, environmental, protection of monuments and peace and security.

Amendments of DPSP:

Article 31-C, inserted into the Directive Principles of State Policy by the 25th Amendment Act of 1971 seeks to upgrade the DPSPs. If laws are made to give effect to the Directive Principles over Fundamental Rights, they shall not be invalid on the grounds that they take away the Fundamental Rights.

Article 45, which ensures Provision for free and compulsory education for children, was added by the 86th Amendment Act, 2002.

Article 48-A, which ensures Protection and improvement of environment and safeguarding of forests and wild life, was added by the 42nd Amendment Act, 1976.