law: Contact Labour (Regulation and Abolition) Act, 1970
  15. Appeal
  (1) Any person aggrieved by an order made under section 7,
  
  section 8, section 12 or section 14 may, within thirty days from the date on
  
  which the order is communicated to him, prefer an appeal to an appellate
  
  officer who shall be a person nominated in this behalf by the appropriate
  
  government:
  PROVIDED that the appellate officer may entertain the
  
  appeal after the expiry of the said period of thirty days, if he is satisfied
  
  that the appellant was prevented by sufficient cause from filing the appeal in
  
  time.
  (2) On receipt of an appeal under sub-section (1), the appellate
  
  officer shall, after giving the appellant an opportunity of being heard dispose
  
  of the appeal as expeditiously as possible.