Karma in Hinduism of their past lives and that one would have to transmigrate to another body in their next life, it is often used in the broader sense as action or reaction. Thus, karma in Hinduism may mean an activity, an action or a materialistic activity. Often with the specific combination it takes specific meanings, such as "karma-yoga" or "karma-kanda" means "yoga or actions" and "path of materialistic activity" respectively. Yet another example is Nitya karma, which describes rituals which have to be performed daily by Hindus, such as the Sandhyavandanam which involves chanting of the Gayatri Mantra. Other uses include such
Karma karma theories is the concept of reincarnation or the cycle of rebirths ("saṃsāra"). Rebirth is a fundamental concept of Hinduism, Buddhism, Jainism and Sikhism. The concept has been intensely debated in ancient literature of India; with different schools of Indian religions considering the relevance of rebirth as either essential, or secondary, or unnecessary fiction. Karma is a basic concept, rebirth is a derivative concept, so suggests Creel; Karma is a fact, asserts Yamunacharya, while reincarnation is a hypothesis; in contrast, Hiriyanna suggests rebirth is a necessary corollary of karma. Rebirth, or "saṃsāra", is the concept that all life forms go