What specific industries or resources are regulated under this section of the Constitution?
Specific industries and resources regulated under this section of the Constitution include:

1. Regulation and development of oilfields and mineral oil resources; petroleum and petroleum products; other liquids and substances declared by Parliament by law to be dangerously inflammable (Article 53).
2. Regulation of mines and mineral development to the extent to which such regulation and development under the control of the Union is declared by Parliament by law to be expedient in the public interest (Article 54).
3. Regulation and development of inter-State rivers and river valleys to the extent to which such regulation and development under the control of the Union is declared by Parliament by law to be expedient in the public interest (Article 56).
4. Fishing and fisheries beyond territorial waters (Article 57).
5. Manufacture, supply and distribution of salt by Union agencies; regulation and control of manufacture, supply and distribution of salt by other agencies (Article 58).
6. Cultivation, manufacture, and sale for export, of opium (Article 59).