Internal Security

Communication Interception and Surveillance

Internal Security·Legal Precedents

Privacy vs Security Balance — Legal Precedents

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Version 1Updated 7 Mar 2026

Legal Precedents

Justice K.S. Puttaswamy (Retd.) & Anr. vs Union of India & Ors.

2017

This nine-judge bench judgment of the Supreme Court of India unanimously declared the 'right to privacy' as a fundamental right under Article 21 of the Constitution. It overturned…

People's Union for Civil Liberties (PUCL) vs Union of India

1997

This judgment addressed the issue of telephone tapping and laid down crucial procedural safeguards against arbitrary interception of communications. While acknowledging the…

Shreya Singhal vs Union of India

2015

While primarily dealing with freedom of speech and expression online, this judgment has significant implications for the privacy-security balance, particularly in the digital…

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