 The existence of a palace in Udugampola is confirmed by an old copper plate called "Kadirana Sannasa" which was discovered in Kadirana cinnamon plantation near Negombo town.It bears no date but purports a grant made by king Vijayabhahu of Udugampola in Alutkuru korale.The Sannasa records a donation made to a Brahmin by the king at a royal assembly held in his new palace at Udugampola on new moon day of Poson (18 June 1517) when a full solar eclipse was sighted.