Consider the following pairs:
| Hills | Region |
| 1. Mikir Hills | North-East India |
| 2. Maikal Hills | South India |
| 3. Barail Hills | North-West India |
| 4. Kaimur Hills | Central India |
Which of the above pairs are correctly matched?
1
1 and 4
2
2 and 3
3
1 and 3
4
2 and 4