Kundalini (kuṇḍalinī, Sanskrit: कुण्डलिनी) literally means coiled. In yoga, a "corporeal energy"- an unconscious, instinctive or libidinal force or Shakti, lies coiled at the base of the spine. It is envisioned either as a goddess or else as a sleeping serpent, hence a number of English renderings of the term such as 'serpent power'. The kundalini resides in the sacrum bone in three and a half coils and has been described as a residual power of pure desire.

Sri Ramana Maharshi maintained that the kundalini energy is nothing but the natural energy of the Self, where Self is the universal consciousness (Paramatma) present in every being, and that the individual mind of thoughts cloaks this natural energy from unadulterated expression. Advaita teaches that Self-realization, enlightenment, God-consciousness, nirvana and kundalini awakening are all the same thing, and self-inquiry meditation is considered a very natural and simple means of reaching this goal

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