The correct answer is: D. a-1, b-2, c-3, d-4.
Gadhasaru Lake is located in the Chamba district of Himachal Pradesh. Dhankar Lake is located in the Lahaul and Spiti district of Himachal Pradesh. Nako Lake is located in the Kinnaur district of Himachal Pradesh. Kamrunag Lake is located in the Mandi district of Himachal Pradesh.
Gadhasaru Lake is a high-altitude lake located in the Chamba district of Himachal Pradesh. It is situated at an altitude of 3,600 meters (11,800 feet) above sea level. The lake is a popular tourist destination and is known for its scenic beauty.
Dhankar Lake is a glacial lake located in the Lahaul and Spiti district of Himachal Pradesh. It is situated at an altitude of 4,200 meters (13,800 feet) above sea level. The lake is a popular tourist destination and is known for its scenic beauty.
Nako Lake is a high-altitude lake located in the Kinnaur district of Himachal Pradesh. It is situated at an altitude of 4,500 meters (14,800 feet) above sea level. The lake is a popular tourist destination and is known for its scenic beauty.
Kamrunag Lake is a high-altitude lake located in the Mandi district of Himachal Pradesh. It is situated at an altitude of 4,000 meters (13,100 feet) above sea level. The lake is a popular tourist destination and is known for its scenic beauty.