Claims) Act, 1948 ; (b)on account of the failure of the allottee to take possession of the allotted evacuee property within six months of the date of allotment; (c)in consequence of a voluntary surrender of the allotted evacuee property, or a voluntary exchange with other available rural evacuee property, or a mutual exchange with such other available property; (d) in accordance with any general or special order of the Central Government; 106 826 Provided that where an allotment is cancelled or varied under clause (ii), the allottee shall be entitled to retain such portion of the land to which of the would ,have been entitled under the scheme of quasi permanent allotment of land: Provided further that nothing in this sub rule shall apply to any application for revision, made under section 26 or section 27 of the Act, within the prescribed time, against an order passed by a lower authority on or before 22nd July, 1952.