In this AI-driven world, with the consistent growth of digital information, data privacy has become a critical concern for individuals because personal data has become a new currency in this digitally interconnected world. This article explores common threats, vulnerabilities, and challenges relating to data protection and examines how the rapid development of artificial intelligence has transformed data-processing capabilities. Key principles such as data minimisation, express consent, transparency, accountability, and lawful processing are discussed. Further, this article focuses on digital governance in India with reference to the Digital Personal Data Protection Act, 2023. Its objective is to examine how the law seeks to protect digital personal data with legal clarity and to ensure fair, lawful, and transparent processing. It also discusses the Act’s overall impact on individuals and industries, and how it helps encourage stronger privacy norms to boost digital trust. The paper finds that India’s data-protection framework is a significant legislative step, but its effectiveness depends on clear enforcement, institutional independence, user awareness, and responsible AI governance. It concludes by emphasizing the importance of maintaining harmony between innovation, privacy, transparency, and legitimate state functions to establish strong rights. Strict penalties and a responsible digital regulator are essential to strengthening the digital future. However, regardless of several preventive laws and measures, users of digital services must possess adequate digital awareness and literacy to understand cyber risks and support informed decision-making. Hence, data privacy and responsibility in AI development are among the most important pillars of sustainable digital growth.