| 1 | Investigation of lower ionosphere through the study of longwave propagation and sid effects |
| Researcher: | Mangal Sain |
| Guide: | Mitra, S N |
| University: | University of Delhi |
| Language: | English |
| 2 | Investigation of lower ionosphere through the study of longwave propagation and SID effects |
| Researcher: | Luthra, Mangal Sain |
| University: | University Of Delhi |
| Language: | English |
| 3 | |
| Researcher: | Malik, Mangal Sain |
| University: | Ch Charan Singh University |
| Language: | English |