Edited sentence: It is generally of a duration of fourteen years.It proves specially beneficial if the fourteenth day (chaturdashi) happens to be the full moon (pournima) day.The principal deity of this observance is Lord Anant, that is Lord Vishnu while the subordinate deities are Shesh and Yamuna.Then it is carried forward in that family.This vowed religious observance is begun if recommended by someone or if the thread of the anant tree is easily procured.This vowed religious observance is mainly performed to acquire lost opulence.This vowed religious observance is performed on the fourteenth day (chaturdashi) of the bright fort­night of Bhadrapad