Forensic Services » Lie Detection Test
What is Polygraph?

Polygraph, popularly known as 'lie detection test', is an instrument that simultaneously records changes in physiological processes such as:

» Heart Beats,
» Blood Pressure,
» Pulse Rate,
» Respiration (Breathing Rhythms),
» Electrical Resistance,

The underlying theory is that when people lie, they can not maintain normalcy in all above parameters and thus heartbeat increases, breathing rhythms changes, perspiration increases etc.

Utility of Polygraph Test:

This forensic technique screens the suspect(s) to identify the truthfulness for different purposes in variety of cases such as:

» Thefts & stealing in workplaces/houses,
» Heinous offenses such as murder, rape, kidnapping etc.,
» Financial frauds, bungling, pilferage,
» Spouse infidelity/character checks,
» Recruitment screening,
» Conspiracy by trusted persons,
» Identify addictions/vices among children,
» Any other cases where truth is to be found out,

Availability of Test:

We can conduct Lie Detection Test any where in India, however, the respondent(s) on whom the test is to be carried out must give his acceptance for test in writing. The test shall take few hours per person and taken in normal conditions; without any pain, medication, injection, anesthesia or any other such application.

( Hrs)
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