| 1 | |
| Researcher: | Nikam, S S |
| Guide: | Ramanathan, S |
| University: | University of Mumbai |
| Language: | English |
| 2 | |
| Researcher: | Kamatchisundaram, V P |
| Guide: | Ramanathan, SVeerasami, V |
| University: | Madurai Kamaraj University |
| Language: | Tamil |
| 3 | |
| Researcher: | Sukumaran, G B |
| Guide: | Ramanathan, S |
| University: | University of Madras |
| Language: | English |
| 4 | Study of alkaline rocks in and around Marandahalli , Dharampuri district, Tamil Nadu, SOuth India |
| Researcher: | Ali, Ameri |
| Guide: | Ramanathan, S |
| University: | University of Madras |
| Language: | English |