LANDMARK CASE

K.S. Puttaswamy v. Union of India (Aadhaar)

(2019) 1 SCC 1 · Supreme Court of India · Constitutional and data law

At a glance

Citation: (2019) 1 SCC 1
Court: Supreme Court of India
Area of law: Constitutional and data law
In one line: Aadhaar was largely upheld for welfare, but mandatory linking for bank accounts, mobiles and school admissions was struck down. Justice Chandrachud dissented.

1 Facts

The Aadhaar Act and scheme were challenged as violating privacy.

2 Issue

Is Aadhaar constitutional?

3 What the court decided

Aadhaar was largely upheld for welfare, but mandatory linking for bank accounts, mobiles and school admissions was struck down. Justice Chandrachud dissented.

4 Why it matters

It applied the privacy test to a national digital identity system.

5 Think about it

Compare the majority with the dissent on the money bill question.

6 Analyse it yourself

Read the full judgment from an official source or a law database, then brief it in seven steps: facts, issues, arguments, decision, ratio, obiter and significance. Always check the citation before you rely on it.

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A short teaching summary for students. Educational content only, not legal advice.