Industrial undertaking, means any undertaking pertaining to a scheduled industry carried on in one or more factories by any company but does not include--
(i) an ancillary industrial undertaking as defined in clause (aa) of s. 3 of the Industries (Development and Regulation) Act, 1951; and
(ii) a small scale industrial undertaking as defined in clause (j) of the aforesaid s. 3. [Sick Industrial Companies (Special Provisions) Act, 1985 (1 of 1986), s. 3 (1) (f)]
Means any undertaking pertaining to a scheduled industry and includes an undertaking engaged in any other industry, or in any trade, business or service which may be regulated by Parliament by law. [Central Industrial Security Force Act, 1968 (50 of 1968), s. 2 (1) (b)]
Means any undertaking pertaining to a scheduled industry carried on in one or more factories by any person or authority including Government. [Indus-tries (Development and Regulation) Act, 1951 (65 of 1951), s. 3 (d)]