(a)to industrial establishments in which less than fifty workers 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 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 67, 68 and 69, industrial establishment shall mean a—
(i)factory as defined in clause (m) of section 2 of the Factories Act, 1948; or
(ii)mine as defined in clause (j) of sub-section (1) of section 2 of the Mines Act, 1952; or
(iii)plantation as defined in clause (f) of section 2 of the Plantations Labour Act, 1951.