|Founder||Mahavatar Babaji gave to Lahiri Mahasaya|
|Kriya Yoga Pranayama|
Kriya Yoga is described by its practitioners as the ancient Yoga system revived in modern times by Mahavatar Babaji through his disciple Lahiri Mahasaya, c. 1861. To Westerners, it was brought into popular awareness through Paramahansa Yogananda's book Autobiography of a Yogi  and through Yogananda's introductions of the practice since 1920. The system consists of a number of levels of Pranayama based on techniques that are intended to rapidly accelerate spiritual development and engender a profound state of tranquility and God-communion.
Yogananda attributes Kriya Yoga to his lineage of gurus, deriving it via Yukteswar Giri and his master Lahiri Mahasaya, from Mahavatar Babaji (fl. 1860s). The latter is reported to have introduced the concept as essentially identical to the Raja Yoga of Patanjali and the concept of Yoga as described in the Bhagavad Gita.
Kriya Yoga, as taught by Lahiri Mahasaya, is traditionally exclusively learned via the Guru-disciple relationship. He recounted that after his initiation into Kriya Yoga, "Babaji instructed me in the ancient rigid rules which govern the transmission of the yogic art from Guru to disciple."
As Yogananda describes Kriya Yoga, "The Kriya Yogi mentally directs his life energy to revolve, upward and downward, around the six spinal centers (medullary, cervical, dorsal, lumbar, sacral, and coccygeal plexuses) which correspond to the twelve astral signs of the zodiac, the symbolic Cosmic Man. One half-minute of revolution of energy around the sensitive spinal cord of man effects subtle progress in his evolution; that half-minute of Kriya equals one year of natural spiritual unfoldment."
In Kriya Quotes from Swami Satyananda, it is written, "Kriya sadhana may be thought of as the sadhana of the "practice of being in Atman"
According to Yogananda, Kriya Yoga was well known in ancient India, but was eventually lost, due to "priestly secrecy and man’s indifference". Yogananda says that Krishna refers to Kriya Yoga in the Bhagavad Gita:
Offering inhaling breath into the outgoing breath, and offering the outgoing breath into the inhaling breath, the yogi neutralizes both these breaths; he thus releases the life force from the heart and brings it under his control.
Yogananda also stated that Krishna was referring to Kriya Yoga when "Lord Krishna … relates that it was he, in a former incarnation, who communicated the indestructible yoga to an ancient illuminato, Vivasvat, who gave it to Manu, the great legislator. He, in turn, instructed Ikshwaku, the father of India’s solar warrior dynasty." Yogananda says that Patanjali was referring to Kriya Yoga when he wrote "Kriya Yoga consists of body discipline, mental control, and meditating on Aum." And again when he says,"Liberation can be accomplished by that pranayama which is attained by disjoining the course of inspiration and expiration." A direct disciple of Yukteswar Giri, Sailendra Dasgupta (d. 1984) has written that, "Kriya entails several acts that have evidently been adapted from the Gita, the Yoga Sutras, Tantra shastras and from conceptions on the Yugas."
Recent history 
The story of Lahiri Mahasaya receiving initiation into Kriya Yoga by the yogi Mahavatar Babaji in 1861 is recounted in Autobiography of a Yogi. Yogananda wrote that at that meeting, Mahavatar Babaji told Lahiri Mahasaya, "The Kriya Yoga that I am giving to the world through you in this nineteenth century, is a revival of the same science that Krishna gave millenniums ago to Arjuna; and was later known to Patanjali, and to Christ, St. John, St. Paul, and other disciples." Yogananda also wrote that Babaji and Christ were in continual communion and together, "have planned the spiritual technique of salvation for this age."
Through Lahiri Mahasaya, Kriya Yoga soon spread throughout India. Yogananda, a disciple of Yukteswar Giri who was himself a disciple of Lahiri Mahasaya, then brought Kriya Yoga to the United States and Europe during the 20th century.
Lahiri Mahasaya's disciples included his sons, Dukouri Lahiri and Tincori Lahiri, Yukteswar Giri, Panchanan Bhattacharya, Pranabananda, Kebalananda, Keshabananda, and Bhupendranath Sanyal (Sanyal Mahasaya).
See also 
- Miller, Timothy (1995). America's Alternative Religions. SUNY Press. p. 178. ISBN 0791423972.
- "Kriya Yoga is an instrument through which human evolution can be quickened...the secret of cosmic consciousness is intimately linked with breath mastery." Autobiography of a Yogi, 1946, by Paramahansa Yogananda, chapter 26.
- Paramahansa Yogananda (1997). Autobiography of a Yogi (Chapter 26), 1997 Anniversary Edition. Self-Realization Fellowship (Founded by Yogananda). ISBN 0-87612-086-9.
- "Initiation of a Kriya Yogi consists of a secret ceremony; it is an affair between the Guru and the initiate." Kriya Yoga, it's dissemination and the Mahamuni Babaji Maharaj, chapter 5, page 8
- Miller, p. 183.
- Paramahansa Yogananda, Autobiography of a Yogi, chapter 33, page 322
- Autobiography of a Yogi, 1946, by Paramahansa Yogananda, chapter 26.
- Kriya Quotes from Swami Satyananda, page 2.
- Paramahansa Yogananda, Autobiography of a Yogi, chapter 26
- Bhagavad Gita IV:29
- Paramahansa Yogananda, Autobiography of a Yogi, chapter 26, referring to Bhagavad Gita IV:1-2
- Patanjali Aphorisms, II:1. Translation by Paramahansa Yogananda, Autobiography of a Yogi, chapter 26
- Patanjali Aphorisms, II:49. Translation by Paramahansa Yogananda, Autobiography of a Yogi, chapter 26
- Kriya Yoga, it's dissemination and the Mahamuni Babaji Maharaj, chapter 5, page 8
- Autobiography of a Yogi, chapter 34, Materializing a Palace in the Himalayas, by Paramahansa Yogananda
- Autobiography of a Yogi, chapter 33, pg.307, by Paramahansa Yogananda
- Autobiography of a Yogi, ch. 26.
- Autobiography of a Yogi, p. 381, ch. 3, ch. 33, ch. 36, ch. 32.
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- Yoga Niketan, a free online library of Kriya Yoga related manuscripts by Lahiri Mahasaya, his disciple Pranabananda, and others.
- Swarupananda Brahmachari popularly known as Yogacharya Tapan Bose founded Kriya Yoga Mission 
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