Section 43A(3)(a) in The Government Of Union Territories Act, 1963
(a)all the persons who, having been elected to the Legislative Assembly of the State of Assam from the Lungleh, Aijal East and Aijal West territorial constituencies, are members of that Assembly immediately before the day appointed under clause (b) of section 2 of the North-Eastern Areas (Reorganisation) Act, 1971 (81 of 1971); and