Explanation:

- Option 1: Article 37

Article 37 highlights the application of the Directive Principles of State Policy. It states they are fundamental in the governance of the country but are not enforceable by any court.

Correct Answer

- Option 2: Article 45

Article 45 originally related to free and compulsory education for children, which has been updated in line with subsequent amendments.

- Option 3: Article 42

Article 42 pertains to provisions for securing just and humane conditions of work and maternity relief.

- Option 4: Article 31

Article 31 dealt with the right to property, but it was repealed in 1978 by the 44th Amendment.