| 21 | |
| Researcher: | Ramakrishna Rao, M |
| University: | Banaras Hindu University |
| Language: | English |
| 22 | |
| Researcher: | Rama Rao, A Pattabhi |
| University: | Osmania University |
| Language: | English |
| 23 | Laboratory and field studies in relation to electrical resistivity prospecting |
| Researcher: | Sarma, V V jagannadha |
| University: | Andhra University |
| Language: | English |
| 24 | Optical, chemical and X-ray studies of the mineral sites of some South Indian rocks |
| Researcher: | Viswanathan, K |
| University: | University of Madras |
| Language: | English |