Sec tion 3A which has been introduced by West Bengal Land Re forms (Amendment) Act, 1981 is quoted hereinbelow: "3 A. Rights of all non agricultural tenants and undertenants in non agricultural land to vest in the State (1) The rights of all non agricultural tenants and undertenants under the West Bengal Non Agricultural Tenancy Act, 1949 (West Bengal Act XX of 1949), shall vest in the State free from all encumbrances and the provisions of sections 4, 5 and 5A of Chapter II of the West Bengal Estates Acquisi tion Act, 1953 (West Bengal Act I of 1954), shall, with such modification as may be neces sary, apply mutates mutant to non agricultural tenants and under tenants within the meaning of the West Bengal Non Agricultural Tenancy Act, 1949 as if such non agricultural tenants and under tenants were intermediaries and the land held by them were estates and a person holding under a nonagricultural tenant or under tenant were a raiyat.