Which of the following statements about the definition of industry as given in the Industrial Disputes Act, 1947 is not right?
1
It means any business, trade, undertaking, manufacturing or calling
2
It includes any calling, service, employment, handicraft or industrial occupation or avocation of workmen.
3
This definition has been revised in 1982 in a leading case of 1978.
4
The revised definition has been implemented after due notification.