In India, which one of the following states has the largest inland saline wetland?

Which one of the following is the largest fresh water lake in India?

Which of the following is the largest freshwater lake in India?

Which of the following lakes of India is the largest in terms of area?

Which one of the following lakes in India has a large quantity of a substance found in the Moon?

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