The correct answer is: A. Chamba
Renuka Lake is a glacial lake located in the Chamba district of Himachal Pradesh, India. It is one of the most popular tourist destinations in the state. The lake is surrounded by mountains and forests, and is home to a number of temples and shrines. The lake is also a popular spot for fishing and boating.
Option B, Lahaul-Spiti, is incorrect because Renuka Lake is not located in this district. Lahaul-Spiti is a district in the Indian state of Himachal Pradesh. It is the most remote and sparsely populated district in the state. The district is located in the Himalayas, and is known for its high mountains, glaciers, and snow-capped peaks.
Option C, Sirmaur, is incorrect because Renuka Lake is not located in this district. Sirmaur is a district in the Indian state of Himachal Pradesh. It is located in the foothills of the Himalayas, and is known for its beautiful scenery, temples, and forts.
Option D, Shimla, is incorrect because Renuka Lake is not located in this district. Shimla is the capital of the Indian state of Himachal Pradesh. It is a popular tourist destination, known for its colonial architecture, temples, and natural beauty.