Section 2(1)(b) in The Employment Exchanges (Compulsory Notification Of Vacancies) Act, 1959
(b)any establishment owned, controlled or managed by—(i)the Central Government or a department of the Central Government,(ii)a company in which not less than fifty-one per cent of the share capital is held by the Central Government or partly by the Central Government and partly by one or more State Governments,(iii)a corporation (including a co-operative society) established by or under a Central Act which is owned, controlled or managed by the Central Government, the Central Government;