| 1 | |
| Researcher: | Sebastian, Babu |
| Guide: | Sam, N |
| University: | University of Kerala |
| Language: | English |
| 2 | |
| Researcher: | Babu, C K |
| Guide: | Ayothi, V |
| University: | Bharathidasan University |
| Language: | English |
| 3 | |
| Researcher: | Yohan Babu, Gajja |
| Guide: | Chakradhara Rao, L |
| University: | Andhra University |
| Language: | Telugu |