The Detoxifying Herb Nagarmotha: Uses, Benefits, Side-Effects The Nagarmotha oil is an essential oil that is distilled from the roots of the Nagarmotha plant. One of the most endearing factors about this herb is its deep, spicy woody-earthy smell. Naturally, it has come to be regarded as one of the most highly-prized oils in India and is being used extensively in perfumery, scenting tobacco products ...