The correct answer is option C, Part IV of the Indian Constitution contains the Directive Principles of State Policy.

Explanation:
The Indian Constitution is divided into several parts, each dealing with different aspects of governance and rights. Part IV of the Constitution contains the Directive Principles of State Policy (DPSP).

1. Meaning and Purpose of Directive Principles of State Policy:
The DPSPs are a set of guidelines and principles that are enshrined in the Indian Constitution and are meant to guide the government in making laws and policies. These principles are not legally enforceable by courts, but they serve as important moral and political obligations for the government to follow.

2. Contents of Directive Principles of State Policy:
Part IV of the Constitution contains Articles 36 to 51, which outline the Directive Principles. These principles cover a wide range of areas, including social, economic, and political matters. Some important DPSPs include:

- Promotion of justice, social, economic, and political (Article 38)
- Equal distribution of resources and opportunities (Article 39)
- Protection of the environment (Article 48A)
- Promotion of educational and cultural interests of weaker sections (Article 46)
- Provision of free and compulsory education for children (Article 45)
- Promotion of cottage industries (Article 43)

3. Significance and Role of Directive Principles of State Policy:
The DPSPs are important for the governance of the country as they provide a moral and ethical framework for the government's actions. They serve as a guide for policymakers to work towards creating a just and equitable society. The principles also aim to bridge the gap between different sections of society and promote social welfare.

4. Relationship with Fundamental Rights:
While the Directive Principles are not legally enforceable like Fundamental Rights, they are considered fundamental in the governance of the country. The courts have held that the DPSPs can be used to interpret laws and policies, and the government is expected to strive towards achieving these principles.

In conclusion, Part IV of the Indian Constitution contains the Directive Principles of State Policy. These principles provide guidelines for the government to formulate policies and work towards creating a just and equitable society. While they are not legally enforceable, they serve as important moral and political obligations for the government.