<Tr> <Td> 47th </Td> <Td> 1960 </Td> <Td> Mumbai </Td> <Td> P. Parija </Td> <Td> Impact of society on science </Td> </Tr> <Tr> <Td> 48th </Td> <Td> 1961 </Td> <Td> Roorkee </Td> <Td> N.R. Dhar </Td> <Td> Nitrogen problem </Td> </Tr> <Tr> <Td> 49th </Td> <Td> 1962 </Td> <Td> Cuttack </Td> <Td> B. Mukherji </Td> <Td> Impact of life sciences on man </Td> </Tr> <Tr> <Td> 50th </Td> <Td> 1963 </Td> <Td> Delhi </Td> <Td> D.S. Kothari </Td> <Td> Science and the universities </Td> </Tr>

Which city hosted india's first ever national wide food archaeology conference