Agni Yoga disciplines which originated in ancient India. The term "Yoga" has been applied to a variety of practices and methods. In Hinduism these include Jnana Yoga, Bhakti Yoga, Karma Yoga, Laya Yoga and Hatha Yoga. The term "Rāja yoga" originally referred to the ultimate goal of yoga, which is Samadhi (Sanskrit: , ), but was popularised by Swami Vivekananda as the common name for "Ashtanga Yoga". In the Ashtanga Yoga tradition, "Samadhi" is the eighth and final limb identified in the Yoga Sutras of Patanjali. "Aum" or "Oṃ" (Devanagari: ), , is a sacred sound and a spiritual symbol in Hinduism,
Karma (2) Life forms not only receive and reap the consequence of their past karma, together they are the means to initiate, evaluate, judge, give and deliver consequence of karma to others. (3) Karma is a theory that explains some evils, not all (see moral evil versus natural evil). Other schools of Hinduism, as well as Buddhism and Jainism that do consider cycle of rebirths central to their beliefs and that karma from past lives affects one's present, believe that both free will ("Cetanā") and karma can co-exist; however, their answers have not persuaded all scholars. Another issue with the theory