Gujarat Provincial Municipal Corporations Act, 1949
Any person aggrieved by a demolition order made under section 300 or section 303 may within twenty-one days after the date of the service of a copy of the order appeal to the Judge, and no proceedings shall be taken by the Commissioner to enforce any order in relation to which an appeal is brought before the appeal is finally determined: Provided that no appeal shall lie at the instance of a person who is in occupation of the premises to which the order relates under a lease or agreement of which the unexpired term does not exceed three years.