Explanation:

- Article 40 of the Indian Constitution specifically directs the State to organize village panchayats and endow them with the authority necessary to function as self-government units.

- Correct Answer: Option 1 - Article 40

- Article 48 is about the organization of agriculture and animal husbandry on modern and scientific lines, and it prohibits the slaughter of cows, calves, and other milch and draught cattle.

- Article 43 encourages the State to ensure that workers get a living wage, good working conditions, and social and cultural opportunities.

- Article 39A directs the State to secure that the operation of the legal system promotes justice on a basis of equal opportunity and provides free legal aid.