The State Government may, by a general or special order published in the Official Gazette, and upon such conditions, if any, as it may think fit to impose, exempt any area, category of buildings or class of persons from any provisions of this Act or from any specified requirement contained in this Act or any rule, order, notification or scheme made thereunder or dispense with the observance of any such requirement in a class or classes of cases, if it is satisfied that compliance with such provisions or such requirement is or ought to be exempted or dispensed with in the circumstances of the case.