Pure essential oils are concentrated oils derived from various natural plants, flowers, plants roots, seeds, resins, external tissue of plants, trees or shrubs or fruits rinds . These oils are highly recognized by humans for their beneficiary on body, skin and spirit. These oils are also used commercially due to their high end therapeutic or odoriferous properties. To study extraction techniques available to extract the oils from plants and trees, to come across pros and cons of few extraction methods, selection and efficiency of a single method . Extraction of essential oil by various methods and Innovative techniques retards the risk of losing the essential component of plants and trees, reduce chemical risk, extraction time, acts eco-friendly and increase the quality and yield of the essential oils .