<Tr> <Td> NW45 </Td> <Td> Indira Gandhi Canal </Td> <Td> Haryana, Punjab & Rajasthan </Td> <Td> 650 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> NW46 </Td> <Td> Indus River </Td> <Td> J&K </Td> <Td> 35 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> NW47 </Td> <Td> Jalangi River </Td> <Td> West Bengal </Td> <Td> 131 </Td> <Td> </Td> <Td> </Td> </Tr> <Tr> <Td> NW48 </Td> <Td> Jawai River - Luni River and Rann of Kutch </Td> <Td> Rajasthan & Gujarat </Td> <Td> 590 </Td> <Td> </Td> <Td> </Td> </Tr>

Which of the following rivers is declared a national river by the govt. of india