Handcrafted brass metal alloy Dhokra beads & threadwork. The Dhokra system of metal casting is said to be the oldest form of metal casting and is technically known as the ‘cire perdue’ or lost wax process. The casting technique revolves around replacing wax with molten metal by the traditional hollow casting method. Dhokra casting is currently practiced in tribal areas of India, primarily in Chhattisgarh and Odisha.