law: 42. Jurisdiction of ordinary courts.-
  (1) Except as may be provided in this Act or in any rule made thereunder or in any order made under any such rule by the Central Government or the State Government or by an officer not below the rank of Collector empowered under sub-section (1) or sub-section (2) of section 40 to make such order, the ordinary criminal and civil courts shall continue to exercise jurisdiction.
  (2) For the removal of doubts, it is hereby declared that any provision in any such rule or order as aforesaid to the effect that the decision of any authority not being a court shall be final or conclusive shall be a sufficient excepting provision within the meaning of sub-section (1).