Answer:
The correct answer is Chandragupta.
(Chandragupta constructed Sudarshan Lake by constructing dams on river flowing from girnar mountain.)
Explanation:
Sudarshan Lake is situated in Saurashtra in the middle of a hill called Girnaar. This lake was constructed by the order of Chandragupta Maurya, the founder of the Maurya dynasty by the Governor 'Pushyagupta Vaishya' appointed in his Girnaar.