(1) Section 25-C to 25-E inclusive [shall not apply to industrial establishments to which Chapter V-B applies, or ] -
(a) to industrial establishments in which less than fifty workmen on an average per working day have been employed in the preceding calendar month; or
(b) to industrial establishments which are of a seasonal character or in which work is performed only intermittently.
(2) If a question arises whether an industrial establishment is of a seasonal character or whether work is performed therein only intermittently, the decision of the appropriate Government thereon shall be final.
[Explanation - In this section and in Sections - 25-C, 25-D and 25-E, [industrial establishment" means -
(i) a factory as defined in clause (m) of Section 2 of the Factories Act, 1948 (63 of 1948), or
(ii) a mine as defined in clause (j) of Section 2 of the Mines Act, 1952 (35 of 1952) or
(iii) a plantation as defined in clause (f) of Section 2 of the Plantations Labour Act, 1951 (69 of 1951)]