Which of the following was not added to the Directive Principles by 42nd Amendment of the Constitution?

In the following except Uniform Civil Code all were added by 42nd Amendment to the Constitution of India. Article 39 A asks the state to promote equal justice and to provide free legal aid to the poor. Preservation of the health and strength of workers and children against forcible abuse is covered in Article 39 (f) and Article 43 A secures the participation of workers in the management of industries (Article 43 A).