| Question | The oldest coalfield of the Damodar Valley region is | |
| Type | multiple_choice | |
| Option | Talcher | incorrect |
| Option | Bokaro | incorrect |
| Option | Raniganj | correct |
| Option | Bisrampur | incorrect |
| Solution | Raniganj Coalfield is primarily located in the Paschim Bardhaman district of West Bengal. | |
