Q. The oldest oil refinery in India is at ?

  • (A) Haldia
  • (B) Koyali
  • (C) Digboi
  • (D) Noonmati
✅ Correct Answer: (C) Digboi

Published by Priyanka Tomar ⭐ 35.28K Points at 14-Sep-2020 10:14 am in Geography

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