<Tr> <Td> </Td> <Td> Barauni Refinery </Td> <Td> Indian Oil Corporation Limited </Td> <Td> Bihar </Td> <Td> Barauni </Td> <Td> 6.00 </Td> </Tr> <Tr> <Td> </Td> <Td> Gujarat Refinery </Td> <Td> Indian Oil Corporation Limited </Td> <Td> Gujarat </Td> <Td> Koyali </Td> <Td> 13.70 </Td> </Tr> <Tr> <Td> </Td> <Td> Haldia Refinery </Td> <Td> Indian Oil Corporation Limited </Td> <Td> West Bengal </Td> <Td> Haldia </Td> <Td> 7.50 </Td> </Tr> <Tr> <Td> </Td> <Td> Mathura Refinery </Td> <Td> Indian Oil Corporation Limited </Td> <Td> Uttar Pradesh </Td> <Td> Mathura </Td> <Td> 8.00 </Td> </Tr>

Where is the oil refinery in west bengal located