MCQOPTIONS
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| 1. |
The oldest oil refinery in India is at? |
| A. | Haldia, near Kolkata |
| B. | Koyali, near Baroda |
| C. | Digboi, Assam |
| D. | Noonmati, Assam |
| Answer» D. Noonmati, Assam | |