<Li> City of Lakes </Li> <Li> Venice of the East </Li> <Table> <Tr> <Th> City / town </Th> <Th> Nickname </Th> </Tr> <Tr> <Td> Chennai (Madras) </Td> <Td> <Ul> <Li> Detroit of Asia </Li> <Li> Automobile Capital of India </Li> <Li> Healthcare Capital of India </Li> </Ul> </Td> </Tr> <Tr> <Td> Coimbatore </Td> <Td> <Ul> <Li> Manchester of South India </Li> </Ul> </Td> </Tr> <Tr> <Td> Madurai </Td> <Td> <Ul> <Li> Athens of the East </Li> <Li> City of Festivals </Li> <Li> City that never Sleeps </Li> </Ul> </Td> </Tr> <Tr> <Td> Puducherry (Pondicherry) </Td> <Td> <Ul> <Li> Paris of the East </Li> </Ul> </Td> </Tr> <Tr> <Td> Tirunelveli </Td> <Td> <Ul> <Li> City of paddy fields </Li> <Li> Oxford of Southindia </Li> </Ul> </Td> </Tr> <Tr> <Td> Tuticorin (Thoothukudi) </Td> <Td> <Ul> <Li> Pearl City </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th> City / town </Th> <Th> Nickname </Th> </Tr>

Which city is known as pearl city in india