Reviewed case brief

Selvi and Ors. v State of Karnataka

(2010) 7 SCC 263

(2010) 7 SCC 263 · Supreme Court of India

article-20-3self-incriminationnarco-analysispolygraphmental-privacyarticle-21
Court
Supreme Court of India
Year
2010
Subjects
Constitutional Law I
Reviewed
2026-08-02

Rule established

Involuntary administration of polygraph, narco-analysis, and brain electrical activation profile tests violates Art.20(3) (protection against self-incrimination) and Art.21 (personal liberty and mental privacy); such tests can only be conducted with free, informed, and voluntary consent.

Facts

    Issues

      Held

        Ratio decidendi

        How to use it in an exam

        Editorial source

        (2010) 7 SCC 263; landmark decision on scientific interrogation techniques

        Educational summary only. Read the reported judgment or an authorised law report before relying on the case professionally.