(k)to take such steps as are calculated to promote the interests of the Corporation or to improve the services the Corporation may provide, [including provisions of catering, hotels, restaurants, rest-rooms] [Substituted by Act 49 of 1971, Section 4 (w.e.f. 1.2.1972). ], goods-sheds, ware-houses and transport by land or water in connection with any air transport service or any other amenity or facility;(kk)[ to form one or more companies under the Companies Act, 1956 (1 of 1956) to further the efficient performance of its duties and the exercise of its powers under this Act: [Inserted by Act 49 of 1971, Section 4 (w.e.f. 1.2.1972). ]