Thewa art is a traditional craft of fusing hand carved gold foil on coloured glass sheet by an exclusive clan of jewellers hold based in Pratapgarh, Rajasthan. The gold foil is fused on glass sheet in such a way that the gold foils fuses into the glass sheet surface. The glass surface becomes smooth and unison with the gold foil giving no sign of separate surfaces of glass and the gold foil. The union of the gold foil with the glass sheet is done without using any kind of glue or pasting materials. The art of fusing the gold foil into the glass surface without using any pasting material is a secret art known only to the artisans of the clan. Thewa art is also used in jewelry.