Which of the following statement about the institution of kingship during this ** is not correct?
(a) The form of government was hereditary monarchy
(b) The king, whose conquering expedition (march of Digvijaya) was led by a mysterious wheel of gold and gem, was called Chakravartin
(c) The crown prince was called Komahan
(d) In the Sangam literature we come across numerous instances of ***** rulers
