Syllabus: GS 1 – Distribution of key natural resources across the world (including South Asia and the Indian subcontinent).
| How does India see its place in the economic space of rising natural resource rich Africa? | 2014 |
| South China Sea has assumed great geopolitical significance in the present context. Comment. | 2016 |
| Present an account of the Indus Water Treaty and examine its ecological, economic and political implications in the context of changing bilateral relations. | 2016 |
| Mention the significance of straits and isthmus in international trade. | 2022 |