Which principle among the following was added to the Directive Principles of State Policy by the 42nd Amendment to the Constitution?
* Article 43A of the Indian Constitution pertains to the "Participation of workers in the management of industries" and is a part of Part IV – Directive Principles of State Policy (DPSP). * It was added by the 42nd Constitutional Amendment Act of 1976 to promote industrial democracy by ensuring that workers have a role in decision-making within industries. * This provision aligns with the broader goal of economic justice and socialistic principles, as envisioned in the Directive Principles, by advocating for worker participation in industrial management. * Thus, Article 43A emphasizes the importance of participatory management in industries to promote industrial harmony and economic democracy.