Step 1: Understanding the technique.
The process described in the question is the lost-wax casting technique, which is used in traditional Indian crafts, especially in metal artifacts. The Dokra craft is known for using this method, producing beautiful metal figurines.
Step 2: Analyzing the options.
(A) Bidriware: This is a type of metal handicraft, but it uses a different technique known as damascening, not lost-wax casting.
(B) Thewa: Thewa is a traditional art form involving gold and glass, not related to lost-wax casting.
(C) Filigree: This is a metalworking technique involving intricate designs, but it is not specifically related to lost-wax casting.
(D) Dokra: This is the correct answer because Dokra art is made using the lost-wax casting technique.
Step 3: Conclusion.
The correct answer is (D) because Dokra is a traditional metal artifact crafted using the lost-wax casting technique.