The festival is also known as Ashwini Purnima that marks the conclusion of the three-month-long seclusion of monks inside their monasteries for self-edification and atonement of their defilement The Buddhist community has celebrated their second largest religious festival, Prabarana Purnima, in Dhaka and elsewhere across the country with due solemnity. The festival is also known as Ashwini Purnima that marks the conclusion of the three-month-long seclusion of monks inside their monasteries for self-edification and atonement of their defilement.