ISSUE:
- Whether Rule 8-C, which reserves the exploitation of black granite for the State or State-owned corporations, is valid under the Mines and Minerals (Regulation and Development) Act, 1957, and whether it improperly limits competition in violation of constitutional principles?
- Whether the imposition of a royalty on granite stone extracted from quarries in Tamil Nadu by the State violates the constitutional provisions regarding freedom of trade and commerce under Article 19(1)(g) of the Indian Constitution?