Section 2(j) of the Industrial Disputes Act, 1947 define "Industry" means any
i. Business trade, undertaking
ii. Manufacture or calling of employers
iii. Included any calling, service, employment, handicraft
iv. Industrial occupation of workmen
1
(i) and (ii)
2
(i), (ii) and (iii)
3
(iii) and (iv)
4
All of the above