<Tr> <Td> Ambika Chakrabarty </Td> <Td> 1892 </Td> <Td> 6 March 1962 </Td> <Td> Chittagong armoury raid </Td> </Tr> <Tr> <Td> Badal Gupta </Td> <Td> 1912 </Td> <Td> 8 December 1930 </Td> <Td> Attack at Writers Building </Td> </Tr> <Tr> <Td> Dinesh Gupta </Td> <Td> 6 December 1911 </Td> <Td> 7 July 1931 </Td> <Td> Attack at Writers Building </Td> </Tr> <Tr> <Td> Benoy Basu </Td> <Td> 11 September 1908 </Td> <Td> 13 December 1930 </Td> <Td> Attack at Writers Building </Td> </Tr>

Who led the most successful revolutionary operation in the entire history of the freedom struggle