Dhanteras: Two days before the main festival of Deepawali is Dhanteras in honour of Dhanwantari, the physician of the gods. He is considered a minor incarnation of Vishnu and arose out of the Ocean of Milk, carrying the pot of amrita, the drink of immortality. He is considered the father of the Indian System of medicine called Ayurveda. http://www.salagram.net/parishad75.htm Dhanteras or Dhantrayodashi which falls on the thirteenth day of the month of Kartik. The word ‘Dhan’ means wealth. As such this day of the five-day Diwali festival has a great importance for the rich mercantile community of Western India. Houses and Business premises are renovated and decorated. http://www.dailynews.lk/2007/11/08/fea09.asp