Savitri Brata is observed by married Mithila women in Terai or Madhesh region of Nepal on the last day of the dark half of the month (no moon day, amabasya or ausi) of Jestha of the Hindu lunar calendar. Vat puja on Jestha Amvasya day is also called called Vat Amavasya or Savitri Amavasya Vrata.
Vat Savitri Vrata is a ritual and custom dedicated to observing prayer for everlasting conjugal love between wife and husband and their longevity.
This day Nepali Maithili women observe fasting and worship peeple tree (vat brikshya or banyan tree). It is believed that those who perform Vat Savitri Puja under Vat Vriksh will be blessed with Soubhagya or longer life of their husband. On this occasion of Vata Savitri Purnima women observe fasting for her husband. Women wear bridal type dresses and jewelry.
ome women keep fast for 3 days and most of them at least for a day. After breaking their fast, fruits, clothes and such other articles are given in charity in a bamboo basket to the Brahmins. Late in the afternoon when all formalities of worships are done, woman bow respectfully to her husband and elderly people.
Women worship a banyan (vata) tree, and listens Savitri katha (story) in groups. Women offer prayer and worship in this day. During this puja women pray for good health of their husbands. Women feed water to the peeple tree, sprinkle red powder (kumkum, simrik, abir) on it, cotton threads are wrapped round vata trees trunks and then they go seven times round and to do the parikrama. It is believed that, the seven round of parikram tie the relationship between husband and wife for seven more lives to come.
During the puja, women offer Bhog (food offerings) to Savitri Devi and worship her with utmost devotion. This festival is celebrated by wife for the well-being of her husband and long and firm relationship between them.