The rapid expansion of digital technologies has fundamentally altered the manner in which individuals communicate, access information, participate in public life, conduct economic activities, and exercise personal autonomy. The transition from an analogue to a digitally mediated society has consequently transformed the environment in which fundamental rights operate. In India, constitutional guarantees contained in Part III of the Constitution were originally formulated in an era preceding the internet, social media, artificial intelligence, biometric identification, algorithmic decision-making and large-scale data processing. Nevertheless, the constitutional framework has demonstrated considerable capacity to respond to technological change through judicial interpretation, particularly by expanding the meaning of liberty, privacy and dignity under Article 21 of Constitution of India. The Apex Court of India has played an important role in this constitutional transformation. Land mark judgments such as Maneka Gandhi v. Union of India, Justice K.S. Puttaswamy (Retd.) v. Union of India, Shreya Singhal v. Union of India, Anuradha Bhasin v. Union of India and K.S. Puttaswamy (Aadhaar) v. Union of India have contributed to the development of a fundamental rights-based understanding of digital governance and technological freedom. At the same time, the emergence of artificial intelligence, facial recognition, pervasive surveillance, data profiling, deepfakes, online harassment, misinformation and platform-based censorship presents challenges that cannot always be addressed through traditional interpretations of constitutional rights. This paper examines how fundamental rights and human rights  must be understood in the digital era, with particular emphasis on Articles 14, 19 and 21 of the Constitution of India. As these three articles are golden triangle, stated under Maneka Gandhi v. Union of India case.   It argues that digital constitutionalism requires the protection of not merely physical freedom but also informational autonomy, decisional freedom, digital expression, anonymity, personal identity and human dignity. The paper further examines the relationship between privacy and national security, freedom of speech and online regulation, and technological innovation and constitutional accountability. It concludes that technological advancement must remain compatible with constitutional morality, proportionality, transparency, accountability and the dignity of the individual.