<Tr> <Td> Vedic Civilisation </Td> <Td> (2000--500 BC) </Td> </Tr> <Tr> <Td>--Ochre Coloured Pottery culture </Td> <Td> (2000--1600 BC) </Td> </Tr> <Tr> <Td>--Swat culture </Td> <Td> (1600--500 BC) </Td> </Tr> <Tr> <Td> Iron Age (1300--230 BC) (show) <Table> <Tr> <Td> Vedic Civilisation </Td> <Td> (1500--500 BC) </Td> </Tr> <Tr> <Td>--Janapadas </Td> <Td> (1500--600 BC) </Td> </Tr> <Tr> <Td>--Black and Red ware culture </Td> <Td> (1300--1000 BC) </Td> </Tr> <Tr> <Td>--Painted Grey Ware culture </Td> <Td> (1200--600 BC) </Td> </Tr> <Tr> <Td>--Northern Black Polished Ware </Td> <Td> (700--200 BC) </Td> </Tr> <Tr> <Td> Pradyota Dynasty </Td> <Td> (799--684 BC) </Td> </Tr> <Tr> <Td> Haryanka Dynasty </Td> <Td> (684--424 BC) </Td> </Tr> <Tr> <Td> Three Crowned Kingdoms </Td> <Td> (c. 600 BC--AD 1600) </Td> </Tr> <Tr> <Td> Maha Janapadas </Td> <Td> (c. 600--300 BC) </Td> </Tr> <Tr> <Td> Achaemenid Empire </Td> <Td> (550--330 BC) </Td> </Tr> <Tr> <Td> Ror Dynasty </Td> <Td> (450 BC--AD 489) </Td> </Tr> <Tr> <Td> Shishunaga Dynasty </Td> <Td> (424--345 BC) </Td> </Tr> <Tr> <Td> Nanda Empire </Td> <Td> (380--321 BC) </Td> </Tr> <Tr> <Td> Macedonian Empire </Td> <Td> (330--323 BC) </Td> </Tr> <Tr> <Td> Maurya Empire </Td> <Td> (321--184 BC) </Td> </Tr> <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> <Tr> <Td> Pallava Empire </Td> <Td> (c. 250 BC--AD 800) </Td> </Tr> <Tr> <Td> Maha - Megha - Vahana Empire </Td> <Td> (c. 250 BC--c . AD 500) </Td> </Tr> <Tr> <Td> Parthian Empire </Td> <Td> (247 BC--AD 224) </Td> </Tr> </Table> </Td> </Tr>

Where was the first discoveries of indus valley civilization made