Intoxicating musky scent aromatic and complex the sheer poetry of Ghazal E Oudh is music to the senses. Oudh which comes from the wood of the tropical Agar (Aquilaria) tree is believed to have originated in Assam in India and later spread to South East Asia. Today it is one of the most expensive perfume ingredients of the world and is hence known as Liquid Gold or Black Gold of the Forest.