Ramachandran 1991, p. 34: "Sri Lanka was known as "Cerantivu" (island of the Cera kings) in those days. The seal has two lines. The line above contains three signs in Indus script and the line below contains three alphabets in the ancient Tamil script known as Tamil" Ramachandran, M. (1991). The Spring of the Indus Civilisation. Prasanna Pathippagam.