The correct answer is D. Chamba.
Rumals are a type of shawl that is traditionally worn in Himachal Pradesh. They are made from a variety of materials, including wool, cotton, and silk. Rumals are often embroidered with intricate designs, and they can be used for a variety of purposes, including as a scarf, a head covering, or a decorative item.
Chamba is a district in Himachal Pradesh that is known for its Rumals. The Rumals of Chamba are made from a special type of wool that is found in the region. The wool is dyed with natural dyes, and the Rumals are embroidered with intricate designs that are unique to Chamba.
The Rumals of Chamba are a popular tourist item, and they are often given as gifts. They are also used in traditional ceremonies and rituals.
The other options are incorrect because they are not districts in Himachal Pradesh that are known for their Rumals.