| 1 | Theory of acoustic amplification and the variation of acoustic velocity in semicondutors |
| Researcher: | Singh, Awatar |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | Studies on the ionospheric propagation characteristics of VLF, LF, MF and HF radio waves |
| Researcher: | Sehra, Joginder Singh |
| University: | University of Calcutta |
| Language: | English |