The four Vedas signify the philosophy of the eternity and absolute complementary role of Gayatri and Yagya in the divine creation. Atharvaveda also deals with sound therapy aspects of Mantras for the treatment of the ailing human system at the physical, psycological and spiritual levels. The Samaveda focuses on the musical chanting patterns of the Mantras and the subtle form of Yagya by defining the latter as the process of mental oblation on the surface of internal emotions through the cosmic radiation of the omnipresent subtle energy of sound. The Yajurveda contains the knowledge of principles and methods of performing Yagyas as Spiritual and Scientific experiments for global welfare