| India's changing policy on space militarization: The impact of China's ASAT test RP Rajagopalan India Review 10 (4), 354-378, 2011 | 30 | 2011 |
| Electronic and cyber warfare in outer space Rajagopalan Geneva: UNIDR, 2019 | 28 | 2019 |
| The 2014 PPWT: a new draft but with the same and different problems M Listner, RP Rajagopalan The Space Review 11, 2014 | 24 | 2014 |
| Space India 2.0: commerce, policy, security and governance perspectives RP Rajagopalan, N Prasad Observer Research Foundation, 2017 | 23 | 2017 |
| Towards a quad-plus arrangement RP Rajagopalan ORF: Observer Research Foundation, 2020 | 22 | 2020 |
| İf Space is' the Province of Mankind', Who Owns its Resources S Mallick, RP Rajagopalan An Examination of the Potential of Space Mining and its Legal İmplications …, 2019 | 18 | 2019 |
| Shared Goals, Converging Interests: A Plan for US–Australia–India Cooperation in the Indo–Pacific L Curtis, W Lohman, R Medcalf, L Powell, RP Rajagopalan, A Shearer Washington, DC: Heritage Foundation, 2011 | 17 | 2011 |
| Drones: Guidelines, regulations, and policy gaps in India RP Rajagopalan, R Krishna Observer Research Foundation, 2018 | 15 | 2018 |
| Sino-Indian border infrastructure: An update RP Rajagopalan, R Prakash ORF Occasional Paper 42, 2013 | 15 | 2013 |
| Indo‐US relations in the Bush White House RP Rajagopalan Strategic analysis 25 (4), 545-556, 2001 | 15 | 2001 |
| Debate on space code of conduct: An Indian perspective RP Rajagopalan ORF: Observer Research Foundation, 2011 | 14 | 2011 |
| A new China military base in Pakistan? RP Rajagopalan ORF: Observer Research Foundation, 2018 | 13 | 2018 |
| India's maritime strategy RP Rajagopalan India's Naval Strategy and Asian Security, 13-36, 2015 | 13 | 2015 |
| Synergies in space: The case for an Indian aerospace command RP Rajagopalan ORF: Observer Research Foundation, 2013 | 13 | 2013 |
| Beyond the Plateau in US-India Relations S Joshi, CR Mohan, V Sood, RP Rajagopalan, JJ Carafano, W Lohman, ... The Heritage Foundation, April 26, 2013 | 11 | 2013 |
| ASEAN-India convergence: The geostrategic realities RP Rajagopalan ORF: Observer Research Foundation, 2018 | 9 | 2018 |
| From Geo-Politics to Geo-Economics: Indo-US Experience PR Rajeswari Strategic Analysis 21 (8), 5-8, 1997 | 9 | 1997 |
| The global space race, 2.0 RP Rajagopalan ORF: Observer Research Foundation, 2018 | 8 | 2018 |
| EU courts support for space code of conduct RP Rajagopalan ORF: Observer Research Foundation, 2014 | 8 | 2014 |
| India's Space Program: A Chronology RP Rajagopalan India Review 10 (4), 345-350, 2011 | 8 | 2011 |
