Yagna is a Vedic ritual of offerings accompanied by chanting of Vedic mantras. It is performed to invoke divine blessings and is often conducted in front of a sacred fire. The offerings typically include grains, ghee, and herbs, which are symbolically given to the deities to seek their favor and protection. The practice of Yagna is rooted in ancient Indian traditions and is considered a way to promote harmony and balance in the universe. It is often performed during significant life events, festivals, or for specific purposes, such as health, prosperity, or spiritual growth.