The handloom industry in Bihar is known for its:

Madhubani saris
Phulkari work
Kanchipuram silk
Pashmina shawls

The correct answer is Madhubani saris.

Madhubani saris are a type of handloom sari that is made in the Madhubani district of Bihar, India. They are known for their intricate and colorful designs, which are often inspired by nature and Hindu mythology. The saris are made from cotton or silk, and they are typically hand-woven on a pit loom.

Phulkari work is a type of embroidery that is done in the Punjab region of India. It is characterized by its use of bright colors and intricate patterns. Phulkari work is often used to decorate clothing, such as shawls, dupattas, and kurtas.

Kanchipuram silk is a type of silk that is produced in the Kanchipuram district of Tamil Nadu, India. It is known for its fine quality and its rich, lustrous sheen. Kanchipuram silk is often used to make saris, scarves, and other garments.

Pashmina shawls are a type of shawl that is made from the wool of the Pashmina goat. They are known for their soft, luxurious feel and their intricate patterns. Pashmina shawls are often made in Kashmir, India.