<Tr> <Th> Economy </Th> <Th> Top 20 countries by industrial output in 2015 (millions in 2005 constant USD and exchange rates) </Th> </Tr> <Tr> <Th> (01) United States </Th> <Td> 3,042,332 </Td> </Tr> <Tr> <Th> (02) China </Th> <Td> 2,837,667 </Td> </Tr> <Tr> <Th> (03) Japan </Th> <Td> 1,415,551 </Td> </Tr>

Explain any three characteristics of the chemical industry of india