The correct answer is the Preamble and the Directive Principles of State Policy.
PREAMBLE:
- It is a short introduction to the Indian Constitution.
- According to the Preamble-
Ø The source of authority of the Indian Constitution lies with the Indian people.
Ø India is a Sovereign, Socialist, Secular, Democratic, and Republic nation.
Ø Objectives - to secure justice, liberty, equality to all citizens and promote fraternity so as to maintain unity and integrity of India.
- The Preamble of the Indian Constitution secures the Social, Economic, and Political Justice of its people.
- The Preamble of the Indian Constitution gives Liberty of Thought, Expression, Belief, Faith, and Worship to its people.
- The Preamble of the Indian Constitution gives Equality of Status and Opportunity to its people.
DIRECTIVE PRINCIPLES OF STATE POLICY (DPSP):
- These are the 15 guidelines given to the federal institutes governing the State of India that are to be kept under consideration while forming the laws.
- These are moral obligations and not the legal bindings on the state authorities.
- Articles 36-51 in Part IV of the Indian Constitution contain the DPSP.
- Borrowed from the Irish Constitution.
- As per Article 38 of the DPSP, the state shall strive to promote the welfare of the people of India by securing and protecting their Social, Economic, and Political justice.

