Power to cancel or alter such

The Government may, by notification, cancel any declaration made under section 6 or alter any area notified under that section or this section; and the District Magistrate may, by order in writing, alter any area notified under section 6 or this section into any other area situated in his district: Provided that before issuing any such notification or order, the Government or the District Magistrate shall consider the matters referred to in section 6, sub-section (2), in so far as they may be applicable.