<Tr> <Td> Share for each state as per tribunal verdict of 2007 </Td> <Td> 419 (58.19%) </Td> <Td> 270 (37.19%) </Td> <Td> 30 (4.13%) </Td> <Td> 7 (0.96%) </Td> <Td> 726 </Td> </Tr> <Tr> <Td> Share for each state as per Supreme Court verdict of 2018 </Td> <Td> 404.25 (55.68%) </Td> <Td> 284.75 (39.22%) </Td> <Td> 30 (4.13%) </Td> <Td> 7 (0.96%) </Td> <Td> 726 </Td> </Tr> <P> The first agreement on sharing Cavery river water dates back to 1892, between Madras Presidency and princely state of Mysuru </P> <Table> <Tr> <Td> </Td> <Td> This section does not cite any sources . Please help improve this section by adding citations to reliable sources . Unsourced material may be challenged and removed . (September 2016) (Learn how and when to remove this template message) </Td> </Tr> </Table>

What is the purpose of cauvery management board