The Directive Principles of State Policy are a set of guidelines and principles given to the government of India to help shape social and economic policies. They are enshrined in Part IV of the Indian Constitution.

Option 1 states that Directive Principles are not enforceable by the courts. This is correct. Unlike Fundamental Rights, Directive Principles are not legally binding and cannot be enforced by the courts. They serve more as moral and political guidance for the government.

Option 2 states that Directive Principles have a political sanction. This is also correct. While not legally enforceable, governments are expected to strive towards achieving the objectives of the Directive Principles. Failure to do so can have political consequences, such as loss of popularity or electoral support.

Option 3 states that Directive Principles are declarations of objective for State Legislation. This is correct. The Directive Principles provide a framework and guidance for the formulation of laws and policies by the state.

Option 4 states that Directive Principles promise equal income and free healthcare for all Indians. This is incorrect. Directive Principles do not promise specific outcomes like equal income or free healthcare. They rather provide a set of principles to guide the government in promoting social justice, economic welfare, and the overall well-being of the people.

In conclusion, option 4 is not a correct