The correct answer is: A. Prashar lake
Prashar lake is a high-altitude lake located in the Chamba district of Himachal Pradesh, India. It is a popular tourist destination and is known for its floating island. The island is made of peat moss and is said to be home to a number of rare plants and animals.
Surajtal lake is a glacial lake located in the Kullu district of Himachal Pradesh. It is a popular tourist destination and is known for its scenic beauty. The lake is surrounded by mountains and forests.
Chamera lake is a man-made lake located in the Chamba district of Himachal Pradesh. It is a popular tourist destination and is known for its fishing and boating. The lake is surrounded by mountains and forests.
Renuka lake is a sacred lake located in the Sirmaur district of Himachal Pradesh. It is a popular tourist destination and is known for its temples and shrines. The lake is surrounded by mountains and forests.
Prashar lake is the only lake in Himachal Pradesh that has a floating island. The island is made of peat moss and is said to be home to a number of rare plants and animals.