The correct answer is (a) Uttarkashi.
Uttarkashi is a town in the Indian state of Uttarakhand. It is the headquarters of the Uttarkashi district. The town is located on the banks of the Bhagirathi River, at an altitude of 2,024 meters (6,638 feet). Uttarkashi is a popular tourist destination, known for its temples, monasteries, and scenic views of the Himalayas.
The town is also known as the “Copper City” because of its copper mines. The copper mines in Uttarkashi are some of the oldest in the world. They have been in operation for over 2,000 years. The copper mines are a major source of income for the people of Uttarkashi.
The other options are incorrect because they are not known as the “Copper City”.
(b) Almora is a town in the Indian state of Uttarakhand. It is the headquarters of the Almora district. The town is located on the banks of the Sutlej River, at an altitude of 2,160 meters (7,087 feet). Almora is a popular tourist destination, known for its temples, palaces, and scenic views of the Himalayas.
(c) Pauri is a town in the Indian state of Uttarakhand. It is the headquarters of the Pauri Garhwal district. The town is located on the banks of the Alaknanda River, at an altitude of 1,500 meters (4,921 feet). Pauri is a popular tourist destination, known for its temples, monasteries, and scenic views of the Himalayas.
(d) Chamoli is a town in the Indian state of Uttarakhand. It is the headquarters of the Chamoli district. The town is located on the banks of the Alaknanda River, at an altitude of 1,800 meters (5,906 feet). Chamoli is a popular tourist destination, known for its temples, monasteries, and scenic views of the Himalayas.