| 1 | |
| Researcher: | Unnikrishnan, V S |
| Guide: | Sudhakaran, P R |
| University: | University of Kerala |
| Language: | English |
| 2 | Texture mineralogy and provenance of the beach sands of South Kerala |
| Researcher: | Unnikrishnan, V P |
| Guide: | Dora, Y L |
| University: | Cochin University of Science and Technology |
| Language: | English |
| 3 | |
| Researcher: | Unnikrishnan, P V |
| Guide: | Warrier, E I |
| University: | University of Calicut |
| Language: | English |