Explanation: Thol Lake is an artificial lake near Thol village in Kadi in Mehsana District in the Indian state of Gujarat.

• It was constructed as an irrigation tank in 1912. It is a freshwater lake surrounded by marshes.
• It was declared the Thol Bird Sanctuary in 1988; it is a habitat for 150 species of birds, about 60% are water birds.
• Many migratory birds’ nest and breed in the lake and its periphery.

Source: FORUMIAS