Yagya is the pillar of Vedic culture. It is an integral part of our sacred customs. Yagya is mostly considered as a ceremony incurring several steps. It is merely physical aspect of yagya in which after initial rituals and mantra chanting herbs are offered to fire as sacrifice. The physical process in itself is beneficial in several aspects for individuals, environment, nature etc. However the significance of yagya is not restricted to this sacrificial fire-process. It has much wider philosophy and deeper meaning. Ancient scripts emphasize more onto lessons associated with it for life and gives an insight towards the yagyaiya life style associated with it. The phrase ‘Idam-na-mama’ meant ‘This is not mine’. ‘Idam-na-mama’ signifies the central theme of Yagya. Life lived in accordance with the lessons from yagya experience holistic and cohesive development, many modern research findings have evidenced these phenomena. Keywords: Yagya, Yagyaiya Life Style, Idam-na-mama