Introduction
The rapid advancement of technology has fundamentally altered the methods through which modern States govern, secure, and regulate society. Among the most significant developments is the increasing use of artificial intelligence–based surveillance systems, particularly facial recognition technology (FRT). These tools enable authorities to monitor public spaces, identify individuals, and analyse behavioural patterns with unprecedented speed and scale. While such technologies are often justified on grounds of efficiency, crime prevention, and national security, they raise profound constitutional concerns.
In India, these concerns are closely connected to Article 21 of the Constitution of India, which guarantees the right to life and personal liberty.[1]. Judicial interpretation has consistently expanded the scope of Article 21 to include the rights to privacy, dignity, and personal autonomy. Consequently, the deployment of AI surveillance mechanisms is not merely a technological or administrative issue but a constitutional one. This blog critically examines the compatibility of AI surveillance and facial recognition practices with Article 21, focusing on legality, proportionality, and the need for constitutional safeguards.
Understanding AI Surveillance and Facial Recognition Technology
AI surveillance refers to the use of algorithm-driven systems capable of collecting, processing, and analysing vast quantities of data to monitor individuals or groups. Facial recognition technology functions by capturing facial images, converting them into biometric data, and matching them against databases for identification or verification purposes.
Unlike traditional surveillance methods, which were limited by human capacity and physical presence, AI-driven systems operate continuously and often invisibly. This shift significantly enhances the surveillance power of the State while simultaneously reducing individual awareness and control. The constitutional implications of such asymmetry demand careful legal evaluation.
Article 21 and Its Evolving Interpretation
Article 21 provides that no person shall be deprived of life or personal liberty except according to procedure established by law. Over the years, the Supreme Court of India has interpreted this provision expansively, recognising that the right to life encompasses more than mere physical existence.[2] It includes the right to live with dignity, make autonomous choices, and enjoy privacy in personal affairs.
The recognition of privacy as an intrinsic part of Article 21 marked a crucial constitutional development. [3]It acknowledged that individuals have a legitimate expectation of being free from unwarranted State intrusion. In this context, surveillance practices that intrude into personal spaces or enable constant monitoring must satisfy strict constitutional requirements.
Facial Recognition and the Right to Privacy
Facial recognition technology directly implicates the right to privacy because it involves the collection and processing of biometric data, which is inherently sensitive and permanent. Unlike passwords or identification numbers, biometric identifiers cannot be changed once compromised. This permanence heightens the risk associated with misuse or unauthorised access.
From a constitutional standpoint, any infringement of privacy under Article 21 must satisfy three essential conditions:
- Legality – the existence of a valid law authorising the action
- Legitimate State aim – such as public safety or crime prevention
- Proportionality – a rational and minimal connection between the means used and the objective sought to be achieved
In India, the absence of a comprehensive statutory framework governing facial recognition technology raises serious concerns regarding compliance with these requirements.
Mass Surveillance and Constitutional Proportionality
A defining feature of AI surveillance is its tendency towards mass and preventive data collection. Surveillance systems often gather information on large populations irrespective of individual suspicion. This approach reverses traditional constitutional safeguards, which required specific justification before monitoring individuals.
Mass surveillance risks normalising constant observation, creating a chilling effect on lawful behaviour, free movement, and expression. When individuals are aware that their actions are continuously monitored, they may engage in self-censorship. Such an environment undermines the constitutional promise of personal liberty and autonomy protected under Article 21.
Absence of a Clear Legislative Framework
One of the most significant constitutional concerns surrounding AI surveillance in India is the lack of specific and comprehensive legislation regulating its use. Many surveillance initiatives are implemented through executive decisions, pilot projects, or general statutory powers that were not designed to address advanced biometric technologies.
Without legislative clarity, crucial issues such as data retention, accuracy, accountability, oversight, and remedies for misuse remain unresolved. From the perspective of Article 21, executive-driven surveillance without clearly defined legal safeguards weakens the requirement of “procedure established by law.”
Comparative Constitutional Perspective
Several democratic jurisdictions have responded cautiously to the constitutional risks posed by facial recognition technology[4]. Some have restricted its use to narrowly defined circumstances, while others have imposed temporary bans in public spaces. These approaches reflect an understanding that technological capability alone does not justify deployment.
India’s constitutional framework, with its emphasis on dignity and proportionality, supports a similarly restrained approach. The absence of judicially tested standards for AI surveillance places India at a critical constitutional juncture between technological governance and rights-based regulation.
Bias, Errors, and Equality Concerns
AI surveillance systems are not neutral tools. Facial recognition algorithms are trained on datasets that may reflect social and demographic biases.[5] Inaccurate identification can disproportionately affect marginalised communities, leading to wrongful suspicion, exclusion, or harassment.
Such outcomes indirectly impact personal liberty and dignity, reinforcing the need for constitutional oversight. Article 21 cannot be meaningfully protected if technological systems operate without transparency, accountability, and mechanisms to address systemic bias.
Balancing Security and Constitutional Liberty
The State has a legitimate interest in maintaining public order and preventing crime. However, constitutional governance requires that security measures respect individual rights. Surveillance cannot become the default mode of governance justified solely by efficiency or convenience.
A constitutionally compliant surveillance framework must therefore include:
- Clear statutory authorisation
- Purpose-specific and limited deployment
- Independent oversight mechanisms
- Transparency in operation
- Effective remedies for misuse
Without these safeguards, AI surveillance risks transforming Article 21 into a formal guarantee devoid of substantive protection.
Critical Analysis
AI surveillance represents a structural shift in governance rather than a mere technological upgrade. Its impact on constitutional rights is cumulative and often invisible. The danger lies not only in deliberate misuse but in the gradual normalisation of constant monitoring.
A democratic Constitution must anticipate such risks rather than react after harm has occurred. Judicial vigilance, legislative foresight, and public accountability are essential to ensure that technology serves constitutional values rather than eroding them.
Conclusion
AI surveillance and facial recognition pose one of the most significant constitutional challenges of the digital age. While technology offers powerful tools for governance and security, its deployment must remain subordinate to constitutional guarantees.
Article 21, as interpreted by Indian courts, protects privacy, dignity, and autonomy as integral components of life and personal liberty. Any surveillance regime that disregards these principles risks constitutional invalidity. The future of democratic governance in India depends on whether technological power is exercised within constitutional limits or allowed to operate unchecked. Ultimately, the Constitution must remain the controlling force—not the algorithm.
Author(s) Name: Radhika Agrawal (Prestige Institution of Management and Research Deparment of Law)
References:
[1] Constitution of India, art 21.
[2] Maneka Gandhi v Union of India (1978) 1 SCC 248.
[3] Justice K S Puttaswamy (Retd) v Union of India (2017) 10 SCC 1
[4] UN High Commissioner for Human Rights, The Right to Privacy in the Digital Age (UN Doc A/HRC/48/31,2021).
[5] OECD, Facial Recognition Technology: Policy Consideration (OECD Policy Brief, 2021).
