An argument without Aadhaar: 

An argument without Aadhaar


  • There is a huge furor going on with regard to the privacy issue related to the Aadhar

Lack of Credible Analysis

  • There have been alarming reports of exclusion and disruption in social welfare but it is still unclear whether they are due to fixable teething troubles, careless deployment or something more fundamental
  •  The opponents too have been unable to make precise how exactly Aadhaar violates privacy
  •  At the same time, the UIDAI and ministerial claims declaring Aadhaar to be perfectly has failed to imbibe confidence.
  • The potential privacy breaches that has been identified are actually  trivial and easily fixable

The Controversy

  •  The government clearly wants to use the unique identification of Aadhaar to enforce compliance in a variety of schemes by avoiding duplicates.
  •  The opponents want Aadhaar to be voluntary

The Missing Factor

  •   In midst of the growing debate between the voluntariness and enforcement of Aadhar and the media hype, the potential benefits of Aadhaar beyond de-duplication, for example in analytics, have not even been discussed much.

Biased Verdict in Aadhar-PAN Linkage

  • The petitioner’s argument on legislative competence — that the linkage cannot be made mandatory in the IT Act without first removing the contradiction from the original Aadhaar Act — appeared to be compelling. Yet the court dismissed it.
  •  The petitioner’s arguments under Article 14, that the mandate discriminates between different classes of taxpayers, must have sounded tenuous even to the petitioners and were summarily rejected.
  • The argument that PAN cancellation violates the right to practice any profession was accepted, but so were the state’s arguments on the need for de-duplication.
  •  The court also accepted, without question or calling for any analysis, the state’s assertion that biometric de-duplication is perfect.
  •  The petitioners had put forth another set of problematic arguments based on dignity and bodily autonomy, on the state’s right of eminent domain over the human body and on informational self-determination. The court deferred them for consideration by a larger bench, along with all issues related to privacy.

Inadequate Consideration of Privacy Issue

  • The main issue is privacy, which the court has been deferring, and little has been said on it to enable an informed decision.
  •  Fingerprints and iris scans (both can be contact-less) are fundamentally no different from facial photographs; they are images and not parts of one’s body. They can be used for matching and de-duplication either manually or automatically. They differ only in efficacy and not in principle.
  • However, the response from the state — claiming that the state indeed has a right over the human body — was irrelevant and disproportionate
  •  On the one hand, the state’s position that Aadhaar is safe because UIDAI stores only minimal data required for biometric matching and demographic details, is untenable.
  • The government and UIDAI cannot absolve themselves of the responsibility of protecting users from privacy breaches through possible correlation attacks on linked databases.
  •  Further, the possibilities of insider attacks also need to be considered.
  • On the other hand, the opponent’s claim — that collecting biometric information and storing them in a central database and linking multiple databases through the Aadhaar number fundamentally violates privacy — is also without any careful evaluation of a precise threat model
  •  For example, PAN cards are already linked to bank accounts, ITR and major purchases. How does linking Aadhaar increase the possibilities for correlation attacks?
  • Biometric and demographic details are publicly available anyway, and anybody determined enough can obtain these from touched objects and using a powerful camera even without the victim’s cooperation.
  •   There is no doubt that using biometrics for authentication, to access bank accounts will be unsafe but poses no threat in case of identity verification and de-duplication

Way Forward

  •  There is a  need to exhaustively enumerate the possible ways in which privacy may be compromised and model an attack surface
  •  Only then can the questions related to privacy protection, either through technical or legal means, even be asked.
  •  The assertion that privacy protection is impossible with biometrics and a global ID is far from established


  •  It will not be enough to apply a traditional understanding of privacy to the new scenarios presented by digital identity and the internet
  •  The need of the hour is for our institutions to wake up and carry out conservative, detailed and rigorous analysis of all issues involved — social, economic, technical and legal.
  •  Till then, it will be best to go slow with Aadhaar, engage, analyse, correct, and ensure that there are no hardships.
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