Rudradaman’s Junagarh inscription testifies that Pushyamitra the governor of Mauryan emperor Chandragupta constructed Sudarshan lake near Girnar. He constructed it for public welfare. For many centuries, this lake was an important source of irrigtion for the farmers of Saurashtra.
During the reign of Rudradaman-dam of Sudarshan lake got damaged due to heavy rainfall. Rudradaman got the dam re – constructed for the welfare of his public. Despite his secretaries, opposition, Rudradaman spent huge amount for its reconstruction from his personal fund. He didn’t levy any extra tax on his public for this construction work.