<Tr> <Td> Seleucid India </Td> <Td> (312--303 BC) </Td> </Tr> <Tr> <Td> Pandya Empire </Td> <Td> (c. 300 BC--AD 1345) </Td> </Tr> <Tr> <Td> Chera Kingdom </Td> <Td> (c. 300 BC - AD 1102) </Td> </Tr> <Tr> <Td> Chola Empire </Td> <Td> (c. 300 BC--AD 1279) </Td> </Tr>

What group of trading kingdoms ruled southern india