The existence of universe has been described in the Vedic literature by three different philosophies, dualism, non-dualism and modified dualism. Dualism or dwait considers soul in the human body separate from spirit, non dualism or adwait considers soul in the human body a part and parcel of the spirit and modified dualism of Ramanuj considers human body as nothing but a cell of the universe which is one thinking organism having its own life span cum life cycle called a Brahma year. Read more