Harbhajan Singh Khalsa Yogiji, or Yogi Bhajan was a yogi and spiritual teacher, and an Indian businessman, founder of the 3HO non-governmental organization and teacher of the kundalini yoga style of yoga. In 1954 Singh married Inderjit Kaur Uppal in Delhi. They had three children, Ranbir Singh, Kulbir Singh, and Kamaljit Kaur.