In answer to this, the AttorneyGeneral, appearing on behalf of the State, makes five Submissions, viz., (a) that on the admitted facts the plaintiff 's land is an "estate" within the meaning of the Abolition Act; (b) that the plaintiff is estopped by the compromise decree passed by the Patna High Court on 2nd May 1945 in F.A. No. 15 of 1941 from contending that his land is not an "estate" within the meaning of the Abolition Act; (c) that the plaintiff 's land has been held as an "estate" ever since 1803; (d) that whatever may have been the position before 1805, the plaintiff 's land became an "estate" by Regulation XII of 1805; and (e) that in any event, the plaintiff 's 'land became an "estate" after 1805 by subsequent acts and conduct of the plaintiff and his predecessors in title.