The word Kalachakra refers to the wheel of time or time cycle in Buddhism. And, Tantra is considered to belong to a magnificent yoga class. The origin of this tradition was first in India and then it is most active in Tibet. This Tradition teaches on Cosmology, Theology, sociology, myth, prophecy, medicine, and yoga. These teachings are to signify the transformation of one body and mind into perfect Buddhahood through various yogic methods. The Kalachakra .