Authored By: TAMANNA KHATUN
CALCUTTA UNIVERSITY (GEORGE SCHOOL OF LAW)
ABSTRACT
The Supreme Court’s decision in Justice K.S. Puttaswamy (Retd.) v. Union of India (2017) constitutionalized the right to privacy as a fundamental right intrinsic to life and personal liberty under Article 21 of the Constitution of India and integrally connected with other freedoms under Part III. This recognition marked a decisive shift from earlier judicial uncertainty and established privacy as a cornerstone of dignity, autonomy, and democratic citizenship. Simultaneously, India’s rapid digital transformation—characterized by large-scale data collection, digital welfare platforms, financial technologies, and expanded state surveillance—has intensified concerns regarding informational control, misuse of personal data, and unchecked executive power. This research article examines the constitutional content of the right to privacy after Puttaswamy, focusing on the proportionality standard governing privacy restrictions and its application in subsequent judicial decisions. It further evaluates India’s emerging data protection framework, particularly the Digital Personal Data Protection Act, 2023, through a constitutional lens. The paper argues that while statutory recognition of data protection is a positive development, effective privacy protection requires narrowly tailored state exemptions, independent oversight mechanisms, procedural safeguards, and meaningful remedies to ensure compliance with constitutional mandates.
Keywords: Right to Privacy; Article 21; Proportionality; Digital Surveillance; Data Protection; DPDP Act, 2023; Constitutional Law
- INTRODUCTION
Privacy in Indian constitutional law has evolved from a contested and implied value into a firmly recognized fundamental right. For decades, the Supreme Court adopted an inconsistent approach toward privacy, often treating it as a peripheral aspect of personal liberty rather than an enforceable constitutional guarantee. However, the exponential growth of digital technologies, data driven governance, and surveillance practices compelled a re-examination of privacy’s constitutional status. In this context, the landmark nine-judge bench judgment in Justice K.S. Puttaswamy (Retd.) v. Union of India decisively affirmed privacy as an essential component of life and personal liberty under Article 21 and as a right that enables the effective exercise of other fundamental freedoms.
The constitutionalization of privacy has far-reaching implications. It subjects all state actions and legislation affecting privacy to rigorous constitutional scrutiny, demands proportionality in rights restrictions, and informs the legal architecture governing data collection and surveillance. This paper addresses three core questions: (i) what is the constitutional scope of the right to privacy after Puttaswamy; (ii) how Indian courts have operationalized the proportionality standard in privacy-related contexts; and (iii) whether India’s data protection regime aligns with constitutional requirements.
RESEARCH METHODOLOGY
This research adopts a doctrinal method, relying on constitutional provisions, statutes, judicial precedents, and scholarly writings. Comparative references are used where relevant to contextualize India’s privacy framework. Comparative references and international instruments have been used where relevant to contextualize Indian constitutional jurisprudence. The study is analytical in nature and seeks to evaluate judicial reasoning and legislative developments through a constitutional lens.
- LEGAL FRAMEWORK AND JUDICIAL EVOLUTION OF PRIVACY
2.1 Early Judicial Uncertainty
In M.P. Sharma v. Satish Chandra (1954), the Supreme Court declined to recognize privacy as a fundamental right, reasoning that the Indian Constitution did not contain an explicit equivalent to the Fourth Amendment of the United States Constitution. Similarly, in Kharak Singh v. State of Uttar Pradesh (1963), the majority rejected privacy as a standalone fundamental right, although Justice Subba Rao’s dissent recognized privacy as intrinsic to personal liberty. These decisions reflected a narrow, text-centric approach to constitutional interpretation.
2.2 Gradual Expansion under Article 21
Subsequent jurisprudence marked a gradual shift. In Gobind v. State of Madhya Pradesh (1975), the Court acknowledged privacy as an implied right under Article 21, subject to reasonable restrictions. Later decisions, such as R. Rajagopal v. State of Tamil Nadu (1994), recognized privacy in the context of media freedom, reinforcing its relevance to dignity and autonomy.
2.3 K.S. Puttaswamy and Constitutional Recognition
The Puttaswamy judgment unanimously held that the right to privacy is a fundamental right protected under Articles 14, 19, and 21 of the Constitution. The Court overruled earlier contrary precedents and emphasized that constitutional rights must be interpreted dynamically to protect human dignity in changing social and technological contexts.
- ANALYSIS: PROPORTIONALITY AND LIMITS ON PRIVACY
A central contribution of Puttaswamy lies in its articulation of the proportionality framework governing privacy restrictions. Any infringement of privacy must satisfy four essential conditions: (i) legality, requiring a valid law; (ii) legitimate state aim; (iii) proportionality, ensuring necessity and minimal intrusion; and (iv) procedural safeguards against abuse. This framework ensures that privacy is not treated as an absolute right but as a protected interest subject to constitutional discipline.
The importance of safeguards cannot be overstated. Without independent oversight, transparency, and effective remedies, even legitimate state objectives risk degenerating into disproportionate surveillance. Judicial insistence on procedural safeguards reflects a commitment to prevent arbitrary executive action and to preserve democratic accountability.
- PRIVACY AND DIGITAL SURVEILLANCE IN INDIA
Digital surveillance poses unique challenges due to its invisibility, scalability, and potential for continuous monitoring. Indian surveillance practices are primarily governed by the Telegraph Act, 1885, and the Information Technology Act, 2000. Critics argue that these laws lack robust safeguards and independent oversight mechanisms.
In Anuradha Bhasin v. Union of India (2020), the Supreme Court emphasized the need for proportionality, transparency, and periodic review in restrictions affecting fundamental rights. Although not a pure privacy case, the decision reflects judicial sensitivity to the dangers of unchecked executive power in the digital domain.
4.1 Chilling Effect of Surveillance on Fundamental Freedoms
An important constitutional concern associated with digital surveillance is its chilling effect on the exercise of fundamental freedoms, particularly freedom of speech and expression under Article 19(1)(a) and freedom of association under Article 19(1)(c). When individuals are aware or suspect that their online activities, communications, or movements are subject to continuous monitoring, they may self-censor their opinions or avoid participating in lawful political or social activities. This indirect suppression of rights undermines democratic discourse and pluralism.
The Supreme Court in K.S. Puttaswamy recognized that privacy is not merely an individual right but a condition precedent for the meaningful exercise of other fundamental freedoms. Surveillance without adequate safeguards can therefore have consequences beyond privacy, affecting the democratic fabric itself. Journalists, activists, lawyers, and political dissenters are particularly vulnerable, as surveillance may compromise confidential sources, professional privileges, and the freedom to criticize the state without fear.
From a constitutional perspective, surveillance measures must be narrowly tailored and accompanied by strong oversight mechanisms to prevent abuse. The absence of transparency and independent review increases the risk of arbitrary action, which is antithetical to constitutional governance.
- DATA PROTECTION AND THE DPDP ACT, 2023
The Digital Personal Data Protection Act, 2023, represents India’s first comprehensive attempt to regulate personal data processing. The Act introduces consent-based processing, obligations for data fiduciaries, and rights for data principals. From a constitutional perspective, the Act is significant in operationalizing informational privacy.
However, concerns persist regarding broad exemptions granted to the State and the limited independence of the Data Protection Board. If exemptions are framed too broadly, they risk diluting the proportionality standard established in Puttaswamy and undermining effective privacy protection.
5.1 Informational Privacy and Consent Fatigue
While the DPDP Act, 2023, emphasizes consent as the primary basis for lawful processing of personal data, over-reliance on consent presents practical challenges. In the digital ecosystem, individuals are frequently confronted with lengthy and complex privacy notices, resulting in what is commonly described as “consent fatigue.” Users often consent without fully understanding the scope, duration, or consequences of data processing.
From a constitutional standpoint, consent must be meaningful to serve as a safeguard for autonomy and dignity. Consent obtained through coercive terms, lack of alternatives, or asymmetry of power—especially where essential services are involved—raises serious concerns. Welfare schemes, employment platforms, and financial services often leave individuals with little choice but to agree, thereby weakening the protective value of consent.
Therefore, constitutional privacy requires that consent be supplemented with substantive safeguards such as purpose limitation, data minimization, and accountability obligations on data fiduciaries. This ensures that informational privacy is not reduced to a formalistic exercise but remains a substantive right.
5.2 Data Minimization and Purpose Limitation as Constitutional Requirements
An essential component of informational privacy is the principle of data minimization, which requires that only such personal data be collected as is strictly necessary to achieve a specific and lawful purpose. Closely linked to this is the principle of purpose limitation, which mandates that data collected for one purpose should not be used for unrelated objectives without fresh legal authorization or valid consent. These principles are central to constitutional proportionality, as they ensure that privacy intrusions are limited in scope and duration.
In the Indian context, large-scale data collection initiatives, particularly in governance and welfare delivery, raise concerns regarding over collection and function creep. Data initially collected for legitimate purposes may later be repurposed for surveillance, profiling, or enforcement activities, thereby exceeding the original justification.
Such practices dilute constitutional safeguards and undermine public trust.
The Supreme Court in K.S. Puttaswamy cautioned against excessive and indiscriminate data collection, emphasizing that informational privacy requires continuous oversight and limitation. The DPDP Act, 2023, partially reflects these concerns by incorporating obligations relating to purpose limitation; however, the effectiveness of these provisions depends on strict enforcement and narrow interpretation of state exemptions. Without meaningful implementation, data minimization risks remaining a formal principle rather than a substantive constitutional safeguard.
- COMPARATIVE PERSPECTIVE
International instruments such as Article 12 of the Universal Declaration of Human Rights and Article 17 of the International Covenant on Civil and Political Rights recognize privacy as a human right. The European Union’s General Data Protection Regulation (GDPR) offers a robust accountability based model that emphasizes transparency, data minimization, and strong enforcement mechanisms. India can draw valuable lessons from these frameworks while tailoring solutions to its constitutional and social context.
6.1 International Human Rights Jurisprudence on Privacy
Privacy has long been recognized as a fundamental human right in international law. Article 12 of the Universal Declaration of Human Rights and Article 17 of the International Covenant on Civil and Political Rights prohibit arbitrary interference with privacy, family, home, or correspondence. International human rights bodies have interpreted these provisions to require legality, necessity, and proportionality in state surveillance practices.
The jurisprudence of the European Court of Human Rights (ECHR) has consistently emphasized that surveillance regimes must be accompanied by adequate and effective guarantees against abuse. These include clear legal provisions, independent authorization, oversight mechanisms, and effective remedies. Such standards reinforce the principles articulated by the Indian Supreme Court in Puttaswamy, demonstrating convergence between domestic constitutional law and international human rights norms.
India’s constitutional commitment to privacy must therefore be understood within this broader global framework, strengthening the argument for robust safeguards and accountability mechanisms.
- FINDINGS AND OBSERVATIONS
This study finds that while the constitutional recognition of privacy marks a significant milestone, effective enforcement remains a challenge. Weak oversight mechanisms, broad state exemptions, and limited public awareness hinder meaningful realization of privacy rights. Judicial scrutiny has improved accountability, but legislative and institutional reforms remain necessary.
7.1 Role of Judiciary in Strengthening Privacy Protection
The judiciary plays a critical role in translating constitutional recognition of privacy into effective protection. Post-Puttaswamy, Indian courts have shown increasing willingness to scrutinize executive actions that affect privacy, particularly in matters involving digital restrictions, surveillance, and data collection.
Judicial review serves as an essential check on executive discretion, ensuring that privacy restrictions adhere to constitutional standards of proportionality and fairness. However, courts alone cannot safeguard privacy in the absence of strong legislative frameworks and institutional mechanisms. Judicial interventions must therefore be complemented by clear laws, independent regulators, and informed public participation.
7.2 Public Awareness and Digital Literacy
Legal protection of privacy cannot succeed without public awareness. Many individuals remain unaware of how their data is collected, processed, and shared. Enhancing digital literacy and awareness of privacy rights is essential to empower citizens to exercise informed choices and seek remedies when violations occur. A rights-based digital culture strengthens constitutional democracy and accountability.
7.3 Technology, Artificial Intelligence, and Future Privacy Risks
Emerging technologies such as artificial intelligence, facial recognition systems, and predictive analytics present new challenges to the constitutional right to privacy. These technologies enable automated decision-making and large-scale profiling, often without transparency or explainability. When deployed by the state, such systems can affect access to welfare, employment, policing, and public services, raising concerns of arbitrariness and discrimination.
From a constitutional perspective, the use of such technologies must be subject to heightened scrutiny. Automated systems should not replace human judgment in matters affecting fundamental rights without adequate safeguards. Transparency, auditability, and accountability are essential to prevent misuse and ensure compliance with constitutional principles. As India advances technologically, privacy protection must evolve to address these future risks proactively.
- CONCLUSION AND RECOMMENDATIONS
The recognition of privacy as a fundamental right underscores the Constitution’s commitment to dignity, autonomy, and democratic governance. To translate this promise into reality, India must ensure narrowly tailored state exemptions, strengthen institutional independence, enhance transparency in surveillance practices, and provide accessible remedies. A privacy-respecting digital governance framework is essential for sustaining public trust and constitutional democracy.
REFERENCES (BLUEBOOK STYLE)
- Justice K.S. Puttaswamy (Retd.) v. Union of India, (2017) 10 SCC 1.
- M.P. Sharma v. Satish Chandra, AIR 1954 SC 300.
- Kharak Singh v. State of Uttar Pradesh, AIR 1963 SC 1295.
- Gobind v. State of Madhya Pradesh, (1975) 2 SCC 148.
- R. Rajagopal v. State of Tamil Nadu, (1994) 6 SCC 632.
- Anuradha Bhasin v. Union of India, (2020) 3 SCC 637.
- Constitution of India, arts. 14, 19, 21.
- Digital Personal Data Protection Act, 2023.
- Universal Declaration of Human Rights art. 12 (1948).





