Existing rules to continue

All rules made or purporting to have been made under the Mines and Minerals (Regulation and Development) Act, 1948, shall, in so far as they relate to matters for which provision is made in this Act and are not inconsistent therewith, be deemed to have been made under this Act as if this Act had been in force on the date on which such rules were made and shall continue in force unless and until they are superseded by any rules made under this Act.