In which of the following cases did the Supreme Court of India observe, in the context of Article 51,…

In Kesavananda Bharati v. State of Kerala, Chief Justice Sikri observed that although the Universal Declaration of Human Rights is not a legally binding instrument, it shows how India understood the nature of human rights when the Constitution was adopted, and under Article 51 the Court must interpret constitutional provisions in the light of the UN Charter and the Declaration. The other decisions applied international instruments in later contexts such as workplace sexual harassment, public-law compensation for a foreign national, and civil imprisonment for debt.