Ashada Amavasya or the 'No Moon Day' is a very auspicious day in the month of Ashadha. Deepa Puja is the major rite to perform on Ashada Amavasya day. Deepa Puja is dedicated to the deity of one's choice ie Ishta Devata and to Pancha Maha Bhootas (five primordial elements - Air, Water, Fire, Sky and the Earth).In some cases, devotees dedicate Deepa Puja to the Goddess Lakshmi, Goddess Parvati or Goddess Saraswati. It is also beleived that Deepa Puja provides them Asta Aishwarayas (8 types of wealth). It is beleived that the radiations of the light of the diyas drive out all the evil and bad powers and welcome new brightness into their life.