Rajasthan Minor Mineral Concession Rules, 2017–Rule 82–Notification as regard to restraining the transportation of mineral feldspar out side of State for a period of three years–Validity–Vires of Rule 82 is also under challenge–Notification was issued to protect the domestic industries and in public interest, rather than in furtherance of regulation of the feldspar mines or development of the mineral feldspar–However, the freedom of trade and commerce within the State or from one State of another cannot be obstructed even by the State Legislature without enacting an appropriate law which satisfies the trade conditions eneumerated under Art. 304(b)–Though the vires of Rule 82 is upheld yet the notification deserves to be quashed.