The famous metal mirror with unique metallurgical properties is known as the:

Nettur Petti
Aranmula Kannadi
Kasavu Mundu
Kathakali mask

The correct answer is: B) Aranmula Kannadi.

The Aranmula Kannadi is a traditional metal mirror made in Aranmula, Kerala, India. It is made of a special alloy of copper and tin that is said to have unique metallurgical properties. The mirror is said to be able to reflect images with great clarity and detail. It is also said to be able to reflect the image of the viewer’s soul.

The Aranmula Kannadi is a very important part of the culture of Kerala. It is often used in religious ceremonies and rituals. It is also a popular tourist attraction.

The other options are incorrect because:

  • Nettur Petti is a traditional headgear worn by women in Kerala.
  • Kasavu Mundu is a traditional garment worn by men in Kerala.
  • Kathakali mask is a mask used in the traditional dance-drama form of Kathakali.