What is the significance of Deep Daan specifically at the Triveni Sangam in Prayagraj?

The Skanda Purana holds that Deep Daan performed at the confluence of sacred rivers (sangam) yields merit equivalent to lamp donation at a hundred individual sacred rivers. Prayagraj’s Triveni Sangam — where the Ganga, Yamuna, and the invisible Saraswati meet — is the most sacred sangam in India. Lamp donation here during Kartik or Pitrupaksha carries the combined spiritual energy of all three rivers and is considered one of the most potent forms of Deep Daan available to a devotee.