ॐ ह्रीं बगलामुखी सर्व दुष्टानाम वाचं मुखम पदम् स्तम्भय। The flickering flame signifies divine energy and also the dispelling of darkness. Devotees supply prasad (sacred food items) for the goddess, searching for her blessings. The prasad is then distributed One of the devotees, believed to hold the divine grace https://www.youtube.com/watch?v=IOlRdolK0uM&t=2s