The Dumtsa, a traditional handloom product, is a:

The correct answer is: c) Colorful shawl.

A Dumtsa is a traditional handloom product from the Garo Hills of Meghalaya, India. It is a colorful shawl that is worn by both men and women. The Dumtsa is made from cotton or silk and is decorated with intricate embroidery. It is a symbol of wealth and status in the Garo Hills.

The other options are incorrect. A headdress is a covering for the head, while jewelry is an ornament worn on the body. A decorative wall hanging is a piece of cloth or other material that is hung on a wall for decoration.