Chakras are various focal points used in a variety of ancient meditation practices, collectively denominated as Tantra, or the esoteric or inner traditions of Hinduism and Buddhism.
Sapta Chakra, an 1899 manuscript (above) illustrates the esoteric correspondence(s) between subtle energy and Tibetan psycho-physiology.
An illustration of a Saiva Nath chakra system, folio 2 from the Nath Charit, 1823. Mehrangarh Museum Trust.
In meditation, chakras are often visualised in different ways, such as a lotus flower, or a disc containing a particular deity.
A Tibetan illustration of the subtle body showing the central channel and two side channels as well as five chakras.
Tantra is an esoteric yogic tradition that developed on the Indian subcontinent from the middle of the 1st millennium CE onwards in both Hinduism and Buddhism.
A Buddhist dhāraṇī (incantation), the Nilaṇṭhanāmahṛdaya dhāraṇī, in Siddham Script with Chinese transliteration
Kushan sculpture of a yakṣiṇī (2nd century), Mathura region
A modern aghori with a skull-cup (Kapala). Their predecessors, the medieval Kapalikas ("Skull-men") were influential figures in the development of transgressive or "left hand" Shaiva tantra.
Dancing Bhairava in the Indian Museum, Kolkata