Kannauj is to India as Grasse is to France, the world’s capital of perfume. The Perfumer stamps found in Koshambi region establishes the fact of perfumery trade, dating back to 2nd century B.C and flourished during the reign of the great Emperor Harshavardhana (606 to 647 CE).
The product that requires extraction of essence is boiled in water for several hours in an container. The vapor formed passes through a long pipe connected to the container and is distilled into a round vessel submerged in a tank of water. By end of the day, the oil will separate from the water, which is drained away thereby capturing the very essence of the product.