<Tr> <Td> Sir Benegal N. Rau </Td> <Td> </Td> <Td> March 1948 </Td> <Td> 1948 </Td> <Td> Minister Representative to the UN </Td> </Tr> <Tr> <Td> Rajeshwar Dayal </Td> <Td> </Td> <Td> December 1949 </Td> <Td> August 1954 </Td> <Td> </Td> </Tr> <Tr> <Td> Arthur S. Lall </Td> <Td> </Td> <Td> September 1954 </Td> <Td> December 1958 </Td> <Td> </Td> </Tr> <Tr> <Td> C.S. Jha </Td> <Td> </Td> <Td> January 1959 </Td> <Td> July 1962 </Td> <Td> </Td> </Tr>

Who serve as ambassador of india to the united nations