What is the significance of "The words “forty years” subs. for “thirty years” by the Constitution (Forty-Fifth Amendment) Act, 1980, s. 2 (w.e.f. 25-1-1980)"?
The significance of "The words “forty years” subs. for “thirty years” by the Constitution (Forty-Fifth Amendment) Act, 1980, s. 2 (w.e.f. 25-1-1980)" is that it signifies a change in the duration of reservation or protection for certain communities from thirty years to forty years as amended by the Forty-Fifth Amendment Act, 1980, which came into effect on January 25, 1980.