In which one of the following states "Roopkund' lake is located?

In which one of the following States/UT, is the Lake Tsomgo located?

Which of the following lakes of India is located in the state of Kerala?

Which of the following lakes of India is located in the state of Uttarakhand?

Which of the following Lakes of India is located in Assam?

Which of the following lake is shared by two Indian States?