Kriyā (in Sanskrit "action, deed, effort"(in Tamil Listeni/ˈ/Kiriyai)) most commonly refers to a "completed action", technique or practice within a yoga discipline meant to achieve a specific result. Another meaning of Kriya is an outward physical manifestation of awakened kundalini, such as a spontaneous body movement related to Kundalini energy flow. O Kriya Shakti is "a power of thought" said to be greatly studied by yogis