(a)has held such land as a tenant continuously:(i)for a period of not less than six years, being a period wholly included in the Fasli years 1342 to 1352 (both years inclusive), or(ii)for a period of not less than six years immediately preceding the 1st day of January, 1948, or(iii)for a period of not less than six years commencing not earlier than the 1st day of the Fasli year 1353 (6th October, 1943), and completed before the commencement of this Act, and