<Tr> <Td> 39 </Td> <Td> Piyush Goyal </Td> <Td> </Td> <Td> 3 September 2017 </Td> <Td> Incumbent </Td> </Tr> <Tr> <Td_colspan="8"> If the office of Minister of Railways is vacant for any length of time, it automatically comes under the charge of the Prime Minister . </Td> </Tr>

Who is the railway minister of karnataka 2017