Bhagalpur is famous for its production of ______ silk:

Tussar
Muga
Eri
Mulberry

Bhagalpur is famous for its production of Muga silk. Muga silk is a golden-hued silk produced by the Antheraea assamensis moth, which is found in the Indian state of Assam. It is one of the most expensive silks in the world, and is known for its fineness, luster, and strength. Muga silk is used to make a variety of products, including sarees, scarves, and shawls.

Tussar silk is a type of silk produced by the Antheraea mylitta moth, which is found in India, Nepal, and Bhutan. It is a coarser silk than Muga silk, but is still considered to be a high-quality silk. Tussar silk is often used to make shawls, scarves, and other garments.

Eri silk is a type of silk produced by the Antheraea paphia moth, which is found in India, China, and Japan. It is a coarser silk than Muga and Tussar silk, but is still considered to be a high-quality silk. Eri silk is often used to make shawls, scarves, and other garments.

Mulberry silk is the most common type of silk produced in the world. It is produced by the Bombyx mori moth, which is found in China, Japan, and Korea. Mulberry silk is a fine, strong silk that is used to make a variety of products, including clothing, bedding, and upholstery.