| 1 | Ecology of the periphytic community in part of Periyar river in Kerala | |
| Researcher: | John, Blessy John | |
| Guide: | Sunil Kumar, R | |
| University: | Mahatma Gandhi University, Kottayam | |
| Language: | English | |
| Shodhganga | ||
| 2 | Studies on the associate Ginoids of Waltair Coast, Andhra Pradesh | |
| Researcher: | John, Thommandru | |
| Guide: | Syamasundri, K | |
| University: | Andhra University | |
| Language: | English | |
| 3 | Studies in some aspects of carotenoids and the structure-function relationship of vitamin A | |
| Researcher: | John, Jacob | |
| University: | Indian Institute of Science | |
| Language: | English | |
| 4 | ||
| Researcher: | Varkey, John | |
| University: | University of Kerala | |
| Language: | English | |
| 5 | ||
| Researcher: | Louis, M John | |
| Guide: | Kunthala, Jeyaraman | |
| University: | Madurai Kamaraj University | |
| Language: | English | |
| 6 | ||
| Researcher: | Daniel, John K | |
| Guide: | Patel, R J | |
| University: | Sardar Patel University | |
| Language: | English | |
| 7 | Studies on vitamin A: Relation structure between and function of few analogues and vitamin A | |
| Researcher: | John, K V | |
| University: | Indian Institute of Science | |
| Language: | English | |