The correct option is D Gadisar Lake
Gadisar lake (or talab) situated in the city of Jaisalmer, Rajasthan, was known for its architecture and its unique way of water collection or conservation. This lake or talab was made in such a way that when the water in it was full, the extra water flowed into another lake at lower level. In this way, it filled 9 lakes. The amount of water collected was enough to provide people throughout the year.