By: Karuna Ajith Kini, 1st Year M.Sc Forensic Science, Kasturba Medical College, Mangalore Introduction The term ‘narco-analysis’, coined by Horsley is derived from the Greek word nark meaning anesthesia. It is a diagnostic and psychotherapeutic technique that uses psychotropic drugs like barbiturates to induce a stupor in which the mental elements come to the surface that can later be used by the investigator. The Indian Evidence Act remains silent on narco analysis but critics argue that it goes against the fundamental right granted by the constitution to right against self-incrimination. Testing: In India, the narco-analysis test is done by a team comprising an anesthesiologist, a psychiatrist, a clinical/ forensic psychologist, an audio-videographer, and supporting nursing staff. The test is conducted by mixing 3 grams of Sodium Pentothal or Sodium Amytal or Seconal or Hyoscine (scopolamine) and dissolving it in 3000 ml of distilled water. The chemical substance is a b...