| 1 | |
| Researcher: | Radhakrishnan, R |
| Guide: | Periakaruppan, R M |
| University: | Madurai Kamaraj University |
| Language: | English |
| 2 | |
| Researcher: | Radhakrishnan, V R |
| Guide: | Roy, A NMitra, A K |
| University: | Indian Institute of Technology |
| Language: | English |
| 3 | |
| Researcher: | Radhakrishnan, K N |
| Guide: | Dey, A K |
| University: | University of Allahabad |
| Language: | English |