Selvi v State of Karnataka
Definition
A 2010 decision of the Supreme Court of India in which a three-judge bench held unanimously that compulsory administration of narco-analysis, polygraph, and brain-mapping tests violates Articles 20(3) and 21 of the Constitution. The Court held that these tests cannot be performed without the subject's free and informed consent, and that results obtained without consent are inadmissible.
Related terms
- Article 20(3) (Indian Constitution)
- The constitutional provision that states no person accused of any offence shall be compelled to be a witness against themselves. India's Supreme...
- Brain Electrical Activation Profile (BEAP / P300 test)
- A method that uses electroencephalography (EEG) to detect the P300 event-related potential, a positive-going brainwave that occurs approximately 300 milliseconds after a...
- Narco-analysis
- A technique in which a subject is administered a barbiturate or benzodiazepine drug (commonly sodium pentothal or midazolam) to induce a hypnotic...
- Polygraph
- An instrument that simultaneously records multiple physiological channels including blood pressure, respiration rate, galvanic skin response, and sometimes heart rate while the...
- Section 23, Bharatiya Sakshya Adhiniyam 2023 (discovery rule)
- The provision (successor to Section 27 of the Indian Evidence Act 1872) under which information given by a person in police custody...
Explained in
- Narco-Analysis, Polygraph and Brain Mapping in LawA 2010 decision of the Supreme Court of India in which a three-judge bench held unanimously that compulsory administration of narco-analysis, polygraph, and br...