Muga silk, known for its golden hue, is a unique textile tradition of Assam used to make:

The correct answer is: a) Mekhela Chador.

Mekhela Chador is a traditional Assamese attire worn by women. It is a two-piece garment consisting of a mekhela (a long skirt) and a chodor (a shawl). The mekhela is typically made of muga silk, which is a type of silk that is known for its golden hue. The chodor is typically made of cotton or silk.

Mekhela Chador is a very important part of Assamese culture. It is worn on special occasions such as weddings and festivals. It is also worn as a daily attire by many women in Assam.

The other options are incorrect because:

• Xorai is a traditional Assamese musical instrument.
• Gamusa is a type of shawl that is worn by men in Assam.
• Jaapi is a type of headgear that is worn by women in Assam.