Consider the following pairs :
| S. No. | Mines | Location |
| 1. | Kolar Mines | Karnataka |
| 2. | Panna Mines | Madhya Pradesh |
| 3. | Bailadila Mines | Chhattisgarh |
| 4. | Jharia Mines | Jharkhand |
How many of the above pairs are correctly matched?
1
Only one pair
2
Only two pair
3
Only three pair
4
All four