Which lake at Mandi is known for Floating Island ........

Explanation:

Prashar Lake 49 km north of Mandi, Himachal Pradesh, India, with a three storied pagoda-like temple dedicated to the sage Prashar.The lake is located at a height of 2730 m above sea level. With deep blue waters, the lake is held sacred to the sage Prashar and he is regarded to have meditated there. Surrounded by snow-capped peaks and looking down on the fast flowing river Beas, the lake can be approached via Drang. There is a round, floating island inside the lake, which is a common natural phenomenon found all around the world.