Kapalabhati (Hatha Yoga) the Gherand Samhita and other sources.. The Technique of Kapalabhati involves short and strong forceful exhalations and inhalation happens automatically. There are three forms of Kapalabhati: Kapalabhati (Hatha Yoga) Kapalabhati is an important part of Shatkarma, the yogic system of body cleansing techniques. The word kapalbhati is made up of two words: "kapal" meaning 'skull' and "bhati" meaning 'shining, illuminating.' Due to the process, the organs in and under the skull mainly the brain, small brain and any of the spaces inside the head that are connected to the back of the nose are influenced in a good manner. Hence
Aparoksha from which unity of existence is derived. This knowledge is gained by establishing a "guru-shishya sambandha" (Guru-shishya tradition) with a teacher who has already experienced that kind of knowledge (Aparoksanubhuti); the karma or acts required to be done, after gain of "Aparoksha jnana" is "Vidya-karma" which consists in "sravana" (hearing of srutis), "manana" (reflection) and "nididhyasana" (meditation on Brahman). Aparoksha is "savikalpa jnana" (knowledge) when one re-recognizes the non-dual nature of the ever-realized Self (Tat Tvam Asi), it is the immediate knowledge gained through the "pramanas"; practice of "Dhyana" (meditation) removes all "vikalpas" (varied thoughts) and leads to "nirvikalpa" or