“ Before concluding, we consider it necessary to observe that while exercising jurisdiction under Articles 226 and /or 227 of the Constitution in matters like the present one, the High Courts are duty-bound to keep in mind that the Industrial Disputes Act and others similar legislative instruments are social welfare legislative instruments are social welfare legislations and the same are required to be interpreted keeping in view the goals set out in the Preamble of the Constitution and the provisions contained in Part IV thereof in general and Articles 38, 39(a) to (e), 43 and 43- A in particular, which mandate that the State should secure a social order for the promotion of welfare of the people, ensure equality between men and women and equitable distribution of material resources of the community to subserve the common good and also ensure that the workers get their dues. More than 41 years ago, Gajendragadkar, J. opined that: