Dhyanalinga temple Situated at the foothills of Velliangiri Mountains, 30 km west of Coimbatore, Dhyanalinga temple offers a spiritual seed of enlightenment through yoga. Dhyanalinga temple is not associated with any religion and does not ascribe to any particular belief or faith. The lingam is a single black granite stone 13 ft.9 inches in height and it has with seven copper rings embedded in it, corresponding to the seven charkas that is believed to govern the human body. The Avudaiyar or its base is made from a single white granite stone 9 ft in diameter and is in the form of a seven headed coiled snake. Dhyanalinga is the largest mercury based live linga in the world which is consecrated by Sadhguru Jaggi Vasudev, a realized master, mystic and yogi.The temple is the only structure of its kind built using brick and mud mortar stabilized with lime, sand, alum and herbal additives.