Kumbh Mela, the largest peaceful spiritual gathering in the world, is often hailed as one of the most energetic and spiritually charged fairs ever. It is a celebration of faith, religion, the soul, and of course, devotion.Kumbh Mela, the largest peaceful spiritual gathering in the world, is often hailed as one of the most energetic and spiritually charged fairs ever. It is a celebration of faith, religion, the soul, and of course, devotion.