---
title: "Aadhaar Judgment (Puttaswamy II, 2018) — Definition"
description: "The Aadhaar Judgment (2018) upheld India's biometric ID law 4-1 but struck Section 57 and read down Section 7, barring private use of Aadhaar data."
url: "https://modeldiplomat.com/learn/glossary/aadhaar-judgment-2018"
---

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Model Diplomat Research Team · Last reviewed June 22, 2026

TL;DR

- The Aadhaar Judgment is the 2018 Indian Supreme Court ruling that upheld the constitutional validity of the Aadhaar Act while striking down several of its provisions.
- What was the verdict and bench composition in the Aadhaar Judgment?
- Which provisions did the Court strike down or read down?
- How is the Aadhaar Judgment connected to Puttaswamy I?
- Why was the Money Bill certification controversial?

[Civil Service & Diplomatic Exams](https://modeldiplomat.com/learn/civil-services/glossary)Updated June 22, 2026

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## Timeline

1. 26 September 2018

   Union of India\* (2018) and commonly styled Puttaswamy II, was delivered by a five-judge Constitution Bench of the Supreme Court of India on .

2. 24 August 2017

   The case was the sequel to Puttaswamy I (), in which a nine-judge bench had unanimously held that the right to privacy is a fundamental right intrinsic to Ar…

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Example

In September 2018 the Indian Supreme Court, in Puttaswamy II, struck down Section 57 of the Aadhaar Act, ending the legal basis for private banks and telecom firms to demand Aadhaar authentication from customers.

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