Digboi in Assam is known for which of the following?
- A.The oldest working oil refinery in India
- B.The largest coal field in India
- C.The first jute mill in India
- D.The largest copper mine in India
Show answer
Oil was struck at Digboi in upper Assam at the end of the nineteenth century and the refinery there, set up in 1901, is the oldest still in operation in the country.
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