<Table> <Tr> <Th_colspan="2"> National Film Award for Best Actor </Th> </Tr> <Tr> <Td_colspan="2"> National award for contributions to Indian Cinema </Td> </Tr> <Tr> <Th> Awarded for </Th> <Td> Best Performance by an Actor </Td> </Tr> <Tr> <Th> Sponsored by </Th> <Td> Directorate of Film Festivals </Td> </Tr> <Tr> <Th> Formerly called </Th> <Td> Bharat Award (1968--1974) </Td> </Tr> <Tr> <Th> Reward (s) </Th> <Td> <Ul> <Li> Rajat Kamal (Silver Lotus) </Li> <Li> ₹ 50,000 (US $700) </Li> </Ul> </Td> </Tr> <Tr> <Th> First awarded </Th> <Td> 1967 </Td> </Tr> <Tr> <Th> Last awarded </Th> <Td> 2017 </Td> </Tr> <Tr> <Th> Most recent winner </Th> <Td> Riddhi Sen </Td> </Tr> <Tr> <Th_colspan="2"> Highlights </Th> </Tr> <Tr> <Th> Total awarded </Th> <Td> 56 </Td> </Tr> <Tr> <Th> First winner </Th> <Td> Uttam Kumar </Td> </Tr> </Table> <Tr> <Th_colspan="2"> National Film Award for Best Actor </Th> </Tr>

Who win the best actor award in 2017