Internal Security·Legal Precedents
Intelligence Agencies — Legal Precedents
Constitution VerifiedUPSC Verified
Version 1Updated 5 Mar 2026
Legal Precedents
People's Union for Civil Liberties v. Union of India (PUCL Case)
1997This landmark judgment established comprehensive guidelines for telephone tapping and surveillance by intelligence agencies. The Supreme Court recognized the right to privacy as a…
K.S. Puttaswamy v. Union of India (Privacy Judgment)
2017The nine-judge bench unanimously declared privacy as a fundamental right, significantly impacting intelligence agencies' surveillance powers. The judgment established the…
Kartar Singh v. State of Punjab
1994This judgment upheld the constitutional validity of the Terrorist and Disruptive Activities (Prevention) Act (TADA) while establishing important principles for anti-terrorism…