<Tr> <Th> Genre </Th> <Td> Comedy </Td> </Tr> <Tr> <Th> Setting </Th> <Td> Kaushambi, India </Td> </Tr> <P> Ratnavali is a Sanskrit drama about a beautiful princess named Ratnavali, and a great king named Udayana . It is attributed to the Indian emperor Harsha (606--648). It is a Natika in four acts . One of the first textual references to the celebration of Holi, the festival of Colours have been found in this text . </P> <Table> <Tr> <Td> <Ul> <Li> Udayana (aka Vatsaraja) - The Hero, King of Kaushambi </Li> <Li> Ratnavali (Sagarika) - The Heroine, Daughter of King Vikramabahu </Li> <Li> Vasavadatta - Queen, wife of Udayana </Li> <Li> Susangata - Bosom friend of Sagarika </Li> <Li> Vasanthaka (Vidusaka) - The Hero's companion and Court - wit </Li> <Li> Yaugandharayana - The Chief Minister of Kaushambi </Li> </Ul> <P> </P> </Td> <Td> <Ul> <Li> Vikramabahu - The King of Sinhala </Li> <Li> Vijayaverma - Commander - in - chief of the King </Li> <Li> Babravya - The Chamberlain of the King </Li> <Li> Vasubhuthi - The Minister of Vikramabahu </Li> <Li> Aiyndrajalika - A magician </Li> <Li> Medhavini (Sarika) - A talking bird </Li> </Ul> <P> </P> </Td> </Tr> </Table>

The author of the play/book ratnawali is