"estate" means land included under one entry in any of the general registers of revenue-paying lands and revenue-free lands, prepared and maintained under the law for the time being in force by the Collector of a district, and includes Government khas mahals and revenue-free lands not entered in any register; and also includes the following in the district of Sylhet—

(i)any land subject either immediately or prospectively to the payment of land-revenue for the discharge of which a separate engagement has been entered into; (ii) any land subject to the payment of, or assessed with, a separate amount as land revenue although no engagement has been entered into with the Government for that amount;

(iii) any land which is, for the time being, included under one entry in the Deputy Commissioner's register of revenue-free estates as well as revenue-free lands which are not so included in such register;

(iv) any land, being the exclusive property of Government, of which a separate entry has been made in the general register of revenue-paying  and revenue-free estate mentioned in Chapter IV of the Assam Land and Revenue Regulation, 1886.

[See, section 2 (11), the State Acquisition and Tenancy Act, 1951 (East Bengal Act No. XXVIII of 1951)].

"estate" means—

any land included under one entry in any of the general registers of revenue-paying lands and revenue-free lands prepared and maintained under the law for the time being in force by the Collector or Deputy Commissioner of a district; any khas mahal and revenue-free land not entered in any register; any char or island thrown up in a navigable river or in the sea which, under the laws for the time being in force, is at the disposal of the Government; and also includes the following in the district of Sylhet:— any land subject, either immediately or prospectively, to the payment of land revenue for the discharge of which a separate engagement has been entered into; any land subject to the payment of, or assessed with, a separate amount as land revenue, although no engagement has been entered into with the Government for that amount;  any land being the exclusive property of Government of which a separate entry has been made in the general registers of revenue-paying and revenue-free estates mentioned in Chapter IV of the Assam Land and Revenue Regulation, 1886.

Explanation.—Any land gained by alluvion or by dereliction of a river or of the sea to any estate as here defined, which, under the laws in force, is considered as an increment to the tenure to which such land has accreted, shall be deemed a part of such estate.

[See, section 2, the Surrey Act, 1875 (Bengal Act No. V of 1875)].

"estate" means all lands which are borne on the revenue-roll of a Collector as liable for the payment of one and the same demand of land-revenue and includes a share in or of an estate other than an undivided share held in coparcenary as the property of a Hindu joint family governed by the Mitakshara or Mithila law.