( 1 ) THE question that falls for determination by the Full Bench is, whether an employee of the Indian Airlines Corporation, which is a corporation established under the Air Corporations Act, 1953, is a "public servant" within the meaning of the Twelfth clause of Section 21 of the Indian Penal Code. That clause and Explanation 4 were added by the Criminal Law Amendment Act (II of 1958 ). The purpose of the amendment was to bring within the purview of the anti-corruption law, as enacted in the Indian Penal Code and in the Prevention of Corruption Act, the employees of statutory trading corporations and Government companies, which manage a great deal of public money and public property as a necessary consequence of the rapid expansion of Governmental activities in a Welfare State. In the amended form, Section 21, so far as is material, reads thus: "section 21:-- Public Servant: The words "public servant" denote a person falling under any of the descriptions hereinafter following namely, -. . . . . Twelfth:-- Every officer in the service or pay of a local authority or of a corporation engaged in any trade or industry which is established by a Central, Provincial or Sta