What is the significance of Subs. by the Constitution (First Amendment) Act, 1951?
Subs. by the Constitution (First Amendment) Act, 1951 refers to a substitution or replacement of a particular section or article in the Indian Constitution as amended by the First Amendment Act of 1951. This act brought about several changes to the original constitution, including altering the terms "every session" to "at least twice a year," and removing the phrase "and for the precedence of such discussion over other business of the House" from Article 174.