Q. The ninth schedule of the Indian constitution was added to constitution through which of the following amendment?

[A] 1st constitutional amendment

[B] 7th constitutional amendment

[C] 23rd constitutional amendment

[D] 42nd constitutional amendment

Answer: A

Explanation: Article 31B saves the acts and regulations included in the Ninth Schedule from being challenged and invalidated on the ground of contravention of any of the Fundamental Rights.

Article 31B along with the Ninth Schedule was added by the 1st Constitutional Amendment Act of 1951.

Source: Laxmikanth’s Polity