Kalachakra and Shambhala are related as former represents teaching that originated in fabled place somewhere beyond Tibet. "Scholar David Reigle focuses on Kalachakra and shows the connection between the teachings of Djwhal Khul, known as the Tibetan Master DK, and his teachings in the Alice Bailey books and how they are connected to Kalachakra and Shambhala. ...DK said that the teachings on Shambhala found in his books are the most important of all the truths he transmitted. Kalachakra, as the teaching coming from Shambhala, is historically considered to be some of the deepest of Buddhism's esoteric teaching. David Reigle is co-founder of the International Kalachakra Network, and author of the book," Kalacakra Sadhana and Social Responsibility". He is co-author of the book, 'Blavatsky's Secret Books: Twenty Years' Research'. His other writings can be found on the Eastern Tradition Research Institute website, www.easterntradition.org," describes You Tube summary.