Swasthani is the Hindu Goddess who is very blessing to all her devotees She always fulfills wishes of all those who worship her with pure heart and full devotion.
Goddess Swasthani is believed to be four-handed goddess with charka, trishul, sword and lotus in each of her hand. She is sitting in the center of Asta Matrika or eight Goddess of power. The Astha matrika are Mahakali, Baishanavi, Brahmi Maheswari, Kaumeshwari, Barahi, Indrayani and Chamunda. The Astha Matrika is also believed to be blessing the eight knots of Daura in Nepali dress Daura surwal
Swasthani Brata Katha is a series of stories narrated by Lord Kumar to Agasthya Muni (Saint). Kumar is the elder son of Lord Shiva and Goddess Parvati. The story mostly concentrate itself around Lord Shiva. It is also called Skanda Puran. It is also a form of prayer to Lord Shiva and his various forms.
Katha commences on full moon day of month of Poush/Magh (January) and goes on series of 31 Chapters for 31 days till next full moon. During this lunar month, story of Swasthani Mata is recited in households of Nepal. (It is a long tradition; however it is not compulsory to recite the story or to observe the fasting).
Swasthani Brata Katha is written in Nepali. Some believe that it was first written in Newari before it is written in Nepali. It is said, people of Sankhu still have hand written Swasthani book in Newari language. However, the story narration is little different in other languages than in Nepali language.