| 121 | ||
| Researcher: | Mitra, Nihar Ranjan | |
| University: | Banaras Hindu University | |
| Language: | English | |
| 122 | ||
| Researcher: | Mohana Rao, A S | |
| University: | Andhra University | |
| Language: | English | |
| 123 | ||
| Researcher: | Mukunda Rao, M | |
| University: | Andhra University | |
| Language: | English | |
| 124 | Studies on the F region anomalies and physical conditions in the equitorial zone | |
| Researcher: | Narasinga Rao, B C | |
| University: | Andhra University | |
| Language: | English | |
| 125 | Studies on the horizontal drifts and winter anomalous absorption in the ionosphere | |
| Researcher: | Narayana Rao, G L | |
| University: | Andhra University | |
| Language: | English | |
| 126 | ||
| Researcher: | Pant, B D | |
| University: | University of Allahabad | |
| Language: | English | |
| 127 | Studies of horizontal drifts in the ionosphere over Ahmedabad | |
| Researcher: | Patel, Chimanlal Motilal | |
| University: | Gujarat University | |
| Language: | English | |
| Shodhganga | ||
| 128 | Studies in ionospheric physics using extra-terristrial radio noise | |
| Researcher: | Rajaram, V | |
| University: | Gujarat University | |
| Language: | English | |
| 129 | Beacon satellite studies of the ionosphere over Ahmedabad and neighbouring low latitudes | |
| Researcher: | Ramakrishnan, Seshadrinatha Iyer | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 130 | ||
| Researcher: | Ramana, K V V | |
| University: | Andhra University | |
| Language: | English | |
| 131 | ||
| Researcher: | Ram Nohar Singh | |
| University: | Banaras Hindu University | |
| Language: | English | |
| 132 | ||
| Researcher: | Rastogi, R G | |
| University: | Gujarat University | |
| Language: | English | |
| 133 | ||
| Researcher: | Ray, Rabindranath | |
| University: | University of Calcutta | |
| Language: | English | |
| 134 | Some general and special features of the ionospheric regions | |
| Researcher: | Saha, Arunkumar | |
| University: | University of Calcutta | |
| Language: | English | |
| 135 | ||
| Researcher: | Sanyasi Rao, A | |
| University: | Andhra University | |
| Language: | English | |
| 136 | ||
| Researcher: | Satyanarayana Rao, D | |
| University: | Andhra University | |
| Language: | English | |
| 137 | ||
| Researcher: | Shirke, J S | |
| University: | Gujarat University | |
| Language: | English | |
| 138 | ||
| Researcher: | Sivaram, B M | |
| University: | Andhra University | |
| Language: | English | |
| 139 | distribution of electrons in the ionosphere from vertical soundings | |
| Researcher: | Sreenivasan, Ranga S | |
| University: | Gujarat University | |
| Language: | English | |
| Shodhganga | ||
| 140 | ||
| Researcher: | Srirama Rao, M | |
| University: | Andhra University | |
| Language: | English | |