Explanation:

- Article 39 (d): This part of the Constitution mandates the State to ensure equal pay for equal work for both men and women. It aims to eliminate gender discrimination in terms of salary and wages.

- Article 39 (c): It emphasizes that the operation of the economic system should not result in the concentration of wealth and means of production detrimentally.

- Article 39 (b): It focuses on the distribution of ownership and control of material resources to serve the common good.

- Article 39 (a): This clause highlights that citizens, men, and women equally, have the right to an adequate means of livelihood.