law: 4. Power to apply Petroleum Act to dangerously inflammable substances.-
  (1) The Central Government may, by notification in the Official Gazette, apply any or all of the provisions of the Petroleum Act and of the rules made thereunder, with such modifications as it may specify, to any dangerously inflammable substance, and thereupon the provisions so applied shall have effect as if such substance had been included in the definition of "petroleum" under that Act.
  (2) The Central Government may make rules providing specially for the testing of any dangerously inflammable substance to which any of the provisions of the Petroleum Act have been applied by notification under sub-section (1), and such rules may supplement any of the provisions of Chapter II of that Act in order to adapt them to the special needs of such tests.