This Article attempts to highlight the impact of the Aadhaar on the right to Privacy which has been given under The Universal Declaration of Human Rights (UDHR), The International Covenant on Civil and Political Rights (ICCPR) recognize privacy as a fundamental human right. The Constitution of India does not expressly provide a right to privacy. However, the judiciary has read in the right to privacy within the ambit of existing Constitutional rights, specifically under right to life and personal liberty Article 21. This article is divided into three parts. Firstly, it traces the evolution of privacy laws in India. Secondly, it evaluates the Aadhaar (Targeted Delivery of Financial and other Subsidies, Benefits and Services) Act, 2016 (“Aadhaar Act”), in light of privacy laws and constitutional validity. Finally, the article will weigh the potential data protection challenges of the Aadhaar scheme against the benefits of the system. In the absence of comprehensive data protection legislation, India’s tremendous Aadhaar scheme could pose considerable threat to the privacy of Indians.