Bogar — Tamil Siddhar

Bogar is among the most enigmatic and internationally traveled of the eighteen Siddhars, revered as a master alchemist who is said to have journeyed to China, where he is sometimes identified with or connected to Taoist immortals, before returning to Tamil Nadu to spread siddha science. Disciple of Kalangi Nathar and closely associated with Agastyar's lineage, Bogar is most famous for creating the navapashanam murti, a sacred image of Lord Muruga at Palani made from nine poisonous minerals and metals alchemically fused into a single incorruptible substance believed to possess profound healing properties when anointed with oil (abhishekam), which is why the Panchamirtham offering at Palani is renowned for its unusual, naturally preserved sweetness. Bogar's writings blend Tamil siddha cosmology with what appear to be Taoist alchemical ideas, suggesting an ancient cross-pollination between Chinese and South Indian esoteric science. He is said to have entered samadhi in an underground chamber beneath the Palani hill temple, remaining there in a state of suspended yogic animation while continuing to influence devotees spiritually. His disciple was Pulipani, and together they represent a lineage deeply concerned with the alchemical transformation of matter as a mirror of spiritual transformation, teaching that the perfection of metals and medicines parallels the perfection of the soul.

Bogar's signature contribution to Siddha medicine is the navapashanam, an alloy of nine toxic substances including arsenic, mercury, and various sulphides, painstakingly detoxified and fused through prolonged alchemical processing into a stable, medicinally potent murti. This technique embodies the siddha principle that the most poisonous substances, when correctly purified, yield the most powerful medicines. He is also credited with texts on kaya kalpa rejuvenation formulas, breath-retention techniques for prolonging life, and mercury-based rasayana preparations. His cross-cultural exposure is thought to have introduced additional refinement techniques into Tamil alchemy, expanding the sophistication of parpam and chunnam preparation methods still referenced by traditional siddha vaidyas today.