MCQOPTIONS
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| 1. |
Digboi Oil Refinery, commissioned on 11th December 1901, is India's oldest operating refinery and one of the oldest operating refineries in the world. It is located in ______. |
| A. | Assam |
| B. | Gujarat |
| C. | Odisha |
| D. | Uttar Pradesh |
| Answer» B. Gujarat | |