Multiple choice general knowledge sports

Which one of the follwoing is the oldest oil refinery in India?

  1. Haldia

  2. Koyalis

  3. Digboi

  4. Mathura
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Digboi Refinery in Assam, established in 1901, is the oldest operating oil refinery in India and Asia. It was set up soon after oil was discovered in Digboi in the late 19th century, marking the beginning of India's petroleum industry. The other refineries (Haldia, Koyali/Mathura) were established much later in the 20th century.

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