<Ul> <Li> Blue City </Li> </Ul> <P> Bhilwara Textile City of India </P> <Table> <Tr> <Th> City / town </Th> <Th> Nickname </Th> </Tr> <Tr> <Td> Chennai (Madras) (Madarasapattinam) </Td> <Td> <Ul> <Li> Detroit of Asia </Li> <Li> Banking Capital of India </Li> <Li> Gateway of South India </Li> <Li> Healthcare Capital of India </Li> </Ul> </Td> </Tr> <Tr> <Td> Coimbatore (Kovai) </Td> <Td> <Ul> <Li> Manchester of South India </Li> </Ul> </Td> </Tr> <Tr> <Td> Madurai </Td> <Td> <Ul> <Li> Athens of the east </Li> </Ul> </Td> </Tr> <Tr> <Td> Salem </Td> <Td> <Ul> <Li> Steel City </Li> <Li> Mango City </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> <Tr> <Td> Auroville </Td> <Td> <Ul> <Li> City of Dawn </Li> </Ul> </Td> </Tr> <Tr> <Td> Yercaud </Td> <Td> <Ul> <Li> Poor Man's Ooty </Li> <Li> Jewel of the South </Li> </Ul> </Td> </Tr> <Tr> <Td> Sivakasi </Td> <Td> <Ul> <Li> Kutty (A little) Japan </Li> <Li> Crackers City of Tamil Nadu </Li> </Ul> </Td> </Tr> <Tr> <Td> Ooty </Td> <Td> <Ul> <Li> Queen of Hill Stations </Li> </Ul> </Td> </Tr> <Tr> <Td> Kodaikanal </Td> <Td> <Ul> <Li> Princess of Hill stations </Li> </Ul> </Td> </Tr> <Tr> <Td> Ooththukuli </Td> <Td> <Ul> <Li> Butter city of Tamil Nadu </Li> </Ul> </Td> </Tr> <Tr> <Td> Ambur </Td> <Td> <Ul> <Li> Biriyani city of Tamil Nadu </Li> </Ul> </Td> </Tr> <Tr> <Td> Tirupur </Td> <Td> <Ul> <Li> dollar city of India </Li> <Li> knitwear capital of india </Li> </Ul> </Td> </Tr> </Table> <Tr> <Th> City / town </Th> <Th> Nickname </Th> </Tr>

Which city is known as pearl city of india