Deep Daan Puja at the Banke Bihari Temple in Vrindavan is a significant ritual where devotees offer oil lamps (deep) to Lord Krishna, also known as Banke Bihari. This ritual, symbolizing the dispelling of darkness and the triumph of light, is believed to bring spiritual enlightenment and divine blessings. The temple, illuminated with numerous flickering lamps, creates a serene and sacred atmosphere, enhancing the devotees' connection to the divine.