law: 57. Power of Central Government to review.
  The Central Government may, at any time, review any decision or order of the Board or the General Officer Commanding-in-Chief, the Command, and pass such orders thereon as it may deem fit:
  Provided that where it is proposed to modify a decision or order of the Board reasonable opportunity shall be given to the Board to show cause why the decision or order in question should not be modified.