<Tr> <Th> Area </Th> <Td> 133,010 ha (513.6 sq mi) </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 21 ° 56 ′ 42" N 88 ° 53 ′ 45" E ﻿ / ﻿ 21.94500 ° N 88.89583 ° E ﻿ / 21.94500; 88.89583 </Td> </Tr> <Tr> <Td_colspan="2"> Location of Sundarbans in West Bengal Sundarbans (India) Show map of West Bengal Show map of India Show all </Td> </Tr> <Table> <Tr> <Th_colspan="2"> Designations </Th> </Tr> <Tr> <Th_colspan="2"> Ramsar Wetland </Th> </Tr> <Tr> <Th> Official name </Th> <Td> Sundarbans Reserved Forest </Td> </Tr> <Tr> <Th> Designated </Th> <Td> 21 May 1992 </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> </Table>

What kind of soil is there in sundarbans