The correct answer is (b). Roopkund is a glacial lake in the Garhwal Himalayas of Uttarakhand, India. It is located at an altitude of 5,042 meters (16,540 feet) and is known for the hundreds of human skeletons that have been found on its shores. The skeletons are believed to be those of a group of people who were caught in a snowstorm in the 14th century.
Dodital is a lake located in the Kumaon Himalayas of Uttarakhand, India. It is located at an altitude of 3,024 meters (9,921 feet) and is a popular tourist destination. There have been no reports of human skeletons being found in Dodital.
Hemkund is a lake located in the Garhwal Himalayas of Uttarakhand, India. It is located at an altitude of 4,329 meters (14,220 feet) and is a popular Hindu pilgrimage site. There have been no reports of human skeletons being found in Hemkund.
Naukuchiya Tal is a lake located in the Kumaon Himalayas of Uttarakhand, India. It is located at an altitude of 3,048 meters (10,024 feet) and is a popular tourist destination. There have been no reports of human skeletons being found in Naukuchiya Tal.