The traditional white and gold saree of Kerala is known as:

The traditional white and gold saree of Kerala is known as Mundu Neriyathum. It is a two-piece garment consisting of a mundu (a long piece of cloth wrapped around the lower body) and a neriyathum (a short piece of cloth draped over the shoulders). The mundu is usually made of cotton or silk, while the neriyathum is often made of gold brocade. The mundum neriyathum is a very elegant and graceful garment, and it is often worn by women on special occasions.

The other options are incorrect.

• Pavada Davani is a traditional saree from the state of Andhra Pradesh. It is a six-yard saree that is usually made of cotton or silk. The pavada davani is often worn by women on special occasions.
• Mekhela Chador is a traditional attire from the state of Assam. It is a two-piece garment consisting of a mekhela (a long skirt) and a chodor (a shawl). The mekhela chador is usually made of cotton or silk, and it is often worn by women on special occasions.
• Kanchipuram silk is a type of silk saree that is made in the Kanchipuram district of Tamil Nadu. It is a very fine and delicate saree, and it is often worn by women on special occasions.