Vastu Purush Mandala having 45 Devtas and Asuras.
Gandharva – the Preserver: The next energy field in South direction is of been termed as Gandharva. The main job of Gandharva, as mentioned in Vedas, is to preserve Soma (a divine drink).
Soma means treasure (vitality, in case of human body), the purpose. Extracting Soma from each object and retaining it safely, lest it should get disposed off, is the duty of Gandharvas. Gandharvas are the devtas of that power which preserves that Somras.
Gandharvas have all the secrets of sky and all the mystical powers from Satya. They also give the ecstatic states of mind. The most commonly perceived meaning of Gandharvas is that they are considered the adheeshtha dev as of music and all kinds of arts.