| 1 | |
| Researcher: | John, Pariyarathu John |
| Guide: | Sukumaran Nair, V K |
| University: | University of Kerala |
| Language: | English |
| 2 | |
| Researcher: | Mao, John |
| Guide: | Singh, Ch Budhi |
| University: | Manipur University |
| Language: | English |
| 3 | |
| Researcher: | Sams, John Dickie |
| University: | University of Madras |
| Language: | English |