Renuka lake is situated in

Shimla
Kullu
Sirmaur
Mandi

Renuka Lake is situated in Sirmaur district of Himachal Pradesh. It is a sacred lake and a popular tourist destination. The lake is surrounded by hills and forests. It is said that the lake is home to the goddess Renuka. The lake is also a popular spot for fishing and boating.

Shimla is the capital of Himachal Pradesh. It is a popular tourist destination. The city is located in the foothills of the Himalayas. Shimla is known for its colonial architecture and its scenic views.

Kullu is a district in Himachal Pradesh. It is a popular tourist destination. The district is known for its apple orchards and its scenic views. Kullu is also home to the Kullu Valley, which is a popular tourist destination.

Mandi is a district in Himachal Pradesh. It is a popular tourist destination. The district is known for its temples and its scenic views. Mandi is also home to the Mandi Valley, which is a popular tourist destination.

The correct answer is C.