CBI demands narco test of Kolkata rape case accused know what is the difference between polygraph and narco test


The CBI has demanded a narco test of the main accused in the Kolkata rape-murder case, Sanjay Roy. But the main accused Sanjay Roy has not agreed to this. Let us tell you that this test cannot be conducted without the consent of the accused. Do you know what is the difference between polygraph and narco test? Today we will tell you about polygraph and narco test.

kolkata rape case

Sanjay Roy, the main accused in the Kolkata rape-murder case, has refused to undergo a narco test. It is worth mentioning that the accused has already undergone a polygraph test. The CBI had filed a petition in a Kolkata court for the narco test of the accused, which has been rejected by the court. In this petition, a demand was made to conduct a narco test of Sanjay Roy. It is worth mentioning that earlier, Sanjay Roy’s polygraph test was conducted on 25 August.

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Polygraph Test

Now the question is what is a polygraphy test. Let us tell you that in this process, many physical reactions like blood pressure, pulse, respiration and skin are measured and recorded during the investigation of a person. It is believed that the physical reactions of a person are different from the reactions recorded when he lies. Each reaction is given a numerical value, which concludes whether a person is telling the truth or lying. However, its report is not valid in the court. But it makes it easier for the investigating agency to investigate.

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Narco Analysis Test

In this test, sodium pentothal, also known as ‘truth serum’, is injected to induce a hypnotic state in the person and deactivate imagination. According to the information, by doing this, the person speaks the truth in an unconscious state of mind. This drug is used in high doses as anesthesia during surgery. Some media reports say that the narco analysis test was used to obtain information during the Second World War. The test is conducted under the supervision of a psychiatrist and questions related to the incident are asked. It is believed that the accused does not lie due to being in a hypnotic state.

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