Drolma Bum Sa Ni is an annual religious event organized by the Dorji Phalmo Foundation, a Bhutanese non-profit organization dedicated to preserving and promoting Buddhist culture and practices. The foundation, named in honor of Dorji Phalmo, focuses on fostering spiritual growth and community well-being through sacred rituals and charitable initiatives. The event brings devotees together to engage in prayer, meditation, and other spiritual activities, creating a profound experience of faith and unity.