What is the significance of Subs. by the Constitution (Fifty-first Amendment) Act, 1984, s. 2?
The significance of Subs. by the Constitution (Fifty-first Amendment) Act, 1984, s. 2 is not explicitly mentioned in the provided context. However, it seems to imply that there was a substitution or replacement made in the text at this point by the said amendment act. The details of what specifically was replaced are not available within the given context.