<Tr> <Th> Dam volume </Th> <Td> 450,000 m (16,000,000 cu ft) </Td> </Tr> <Tr> <Th> Spillways </Th> <Td> Nil </Td> </Tr> <Tr> <Th_colspan="2"> Reservoir </Th> </Tr> <Tr> <Th> Total capacity </Th> <Td> 55.5 km3 </Td> </Tr>

Which is the largest dam idukki or mullaperiyar