| 1 | |
| Researcher: | Gopalan, S |
| Guide: | Srinivasan, A |
| University: | University of Madras |
| Language: | English |
| 2 | Ichthyological contributions with reference to Zoogeographical problems |
| Researcher: | Gopalan Kutty, A |
| University: | University of Madras |
| Language: | English |