Q. The oldest oil refinery in India is –

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

Published by Vikash Gupta ⭐ 33.56K Points at 14-Mar-2021 05:09 am in Geography

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