<Tr> <Td> - coordinates </Td> <Td> 25 ° 13 ′ 24" N 89 ° 41 ′ 41" E ﻿ / ﻿ 25.22333 ° N 89.69472 ° E ﻿ / 25.22333; 89.69472 Coordinates: 25 ° 13 ′ 24" N 89 ° 41 ′ 41" E ﻿ / ﻿ 25.22333 ° N 89.69472 ° E ﻿ / 25.22333; 89.69472 </Td> </Tr> <Tr> <Th> Length </Th> <Td> 2,900 km (1,800 mi) </Td> </Tr> <Tr> <Th> Basin </Th> <Td> 712,035 km (274,900 sq mi) </Td> </Tr> <Tr> <Th> Discharge </Th> <Td> </Td> </Tr>

What character of the north bank of the brahmaputra does the author refer to