Karma yoga 11.20 of the "Bhagavata Purana" states that there are only three means to spiritual liberation: "jnana yoga" (knowledge), "karma yoga" (action) and "bhakti yoga" (devotion). Those who are of philosophical bent, prefer the "knowledge path". Those who are inclined to productive application of arts, skills and knowledge, prefer the "karma path". Those who prefer emotional connection, prefer the "devotional path". These three paths overlap, with different relative emphasis. Discussions on Karma yoga are also found in chapter 33 of "Narada Purana". Later, new movements within Hinduism added raja yoga as the fourth spiritual path, but this is not universally accepted
Karma in Hinduism dispassionate reaction. Not all karmas rebound immediately. Some accumulate and return unexpectedly in this or other lifetimes. Human beings are said to produce karma in four ways: Everything that we have ever thought, spoken, done or caused is karma, as is also that which we think, speak or do this very moment. Hindu scriptures divide karma into three kinds: Some believe that only human beings who can distinguish right from wrong can do (kriyamana) karma. Therefore, animals and young children are considered incapable of creating new karma (and thus cannot affect their future destinies) as they are incapable of discriminating