Which of the Act and Regulations cannot be declared unconstitutional by High Courts and Supreme Court?

Which of the Act and Regulations cannot be declared unconstitutional by High Courts and Supreme Court? Correct Answer Acts and Regulations enlisted in Schedule IX of the Constitution

Related Questions

A five-judge bench of the Supreme Court passes judgment in a matter. In a later case before a high court, a party presents the Supreme Court judgment as a binding authority. The opposing party claims that the high court is not bound by the Supreme Court's judgment because relevant provisions of law were not brought to the notice of the Supreme Court in that case. Which of the following is most correct in this case?
Principle: Article 141 of the Constitution provides that the law declared by the Supreme Court is binding on all courts within the territory of India.