 Na Consecrates Prithvi Tattva (Earth element), Ma does the same with Jal Tattva (Water factor) Si energizes Agni Tattva (Fire element) Va energizes Vayu Tattva (Air factor) and finally Ya energizes Akasha Tattva (Sky/Space element).In this popular Stotra, each of these holy letters is considered as representing Shiva and the Lord is praised for his great qualities.The great Shri [Adi Sankaracharya] is the author of this stotra.