Every person who (a) x x x x x (b) was recorded as occupant, (i) of any land other than grove land or land to which section 16 applies or land referred to in the proviso to sub section (3) of sec tion 27 of the U.P. Tenancy (Amendment) Act, 1947 in the Khasra or Khatauni of 1356 F. pre pared under sections 28 and 33 respectively of the U.P. Land Revenue Act, 1901 (U.P. Act III of 1901), or who was on the date immediately preceding the date of vesting entitled to retain possession thereof under clause (c) of sub section (1) of section 27 of the United Provinces Tenancy (Amendment) Act, 1947 (U.P. Act X of 1947), or (ii) x x x x x shall, unless he has become a bhumidhar of the land under sub section (2) of section 18 or an assami under clause (h) of section 21, be called Adhivasi of the land and shall, subject to the provisions of this Act, be entitled to take or retain possession thereof.