Section 4(1)(iii) in Tamil Nadu Estates Communal Forest and Private Lands (Prohibition of Alienation) Act, 1947
(iii)any such transaction in respect of any forest or private land not exceeding twenty acres in extent, entered into, in the case of forest land, before the 27th day of June 1947, and in the case of private land, before the date on which the impartible estate in which the land is situated is notified as aforesaid;