Every proceeding pending before any Court, other than a proceeding relating to any property situated in (i)the City of Madras, (ii)the municipal towns of Coimbatore, Madurai, Salem and Tiruchirappalli, and (iii)any village within five miles of the City of Madras or of the municipal towns aforesaid, on the date of the publication of this Act in the Fort St. George Gazette, and instituted under the provisions of the Principal Act, shall in so far as such proceeding relates to non residential buildings, abate, and all rights and privileges which may have accrued immediately before such date to any person in respect of any property situated in any area other than the areas referred to above by virtue of the Principal Act, shall, in so far as they relate to non residential buildings, cease and determine and shall not be enforceable: Provided that nothing contained in this section shall be deemed to invalidate any suit or proceeding in which the decree or order passed has been executed or satisfied in full before the date mentioned in this section.