<Tr> <Th> Governor - General </Th> <Td> </Td> </Tr> <Tr> <Th> 1774--75 </Th> <Td> Warren Hastings (first) </Td> </Tr> <Tr> <Th> 1857--58 </Th> <Td> Charles Canning (last) </Td> </Tr> <Tr> <Th> Battle of Plassey </Th> <Td> 23 June 1757 </Td> </Tr>

Mention the three policies of expansion adopted by the british in india