All the listed provisions are related to the Right to Privacy in various legal frameworks: (1) Art. 21 of Indian Constitution: The Indian Supreme Court has declared the right to privacy as a fundamental right under Article 21. (2) Art. 12 of Universal Declaration of Human Rights (UDHR): This article explicitly protects individuals from arbitrary interference with their privacy, family, home, and correspondence. (3) Art. 17 of the International Covenant on Civil and Political Rights (ICCPR): This article provides similar protection against arbitrary or unlawful interference with privacy, family, home, and correspondence as the UDHR. (4) Art. 8 of European Convention on Human Rights (ECHR): This article protects the right to respect for private and family life, home, and correspondence, which is a cornerstone of privacy protection in Europe.