<Tr> <Th> Period </Th> <Td> 18 May 1974, 8: 05 a.m. (IST) </Td> </Tr> <Tr> <Th> Number of tests </Th> <Td> </Td> </Tr> <Tr> <Th> Test type </Th> <Td> Underground </Td> </Tr> <Tr> <Th> Device type </Th> <Td> Fission </Td> </Tr>

Who was india president when first nuclear test was done