What is polygraphy?

What is polygraphy?This is the process of using an instrument called polygraph, which is also popularly known as a lie detector.

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Ganga Mahotsav: Varanasi, Uttar Pradesh

Ganga Mahotsav: Varanasi, Uttar Pradesh 5 Day Cultural Festival

Ganga Mahotsav is a five day event celebrated on the banks of the river Ganges …