Accordingly the five elements in Hinduism or Pancha Mahabhuta- bhūmi (earth), jala (water), agni (fire), vayu or pavan (air or wind) and vyom or shunya (space or zero) or akash (void) are worshiped as God. It was the Aryan race in the Vedic era, who started worshiping the five natural forces. Out of the five, nature Gods, Indra and Varuna are considered to be the main ones.
Meanwhile the practice of worshiping the nature God has passed down through generations. Meanwhile Varuna, being the Hindu god of water is worshiped every year before the season of rainfall begins. Many villages in India consider the rainfall season very auspicious, thereby pleasing the rains gods annually. Further it is believed that when there is a low rainfall, it means that the Rain-God is angry or upset. It is during these times that the Varuna Yajna is performed by the holy priests.
According to the ritual, the temple priests immerse themselves in huge barrels of water, enchanting Lord Varuna’s name one lakh times. The Varuna Yajna is performed mainly in parts of Maharashtra, Karnataka and Tamilnadu.