| 1 | |
| Researcher: | Nirmala, R |
| Guide: | Manavalan, A A |
| University: | University of Madras |
| Language: | Tamil |
| 2 | |
| Researcher: | Suresh, Nirmala |
| Guide: | Balasubramanian, C |
| University: | University of Madras |
| Language: | Tamil |
| 3 | |
| Researcher: | Nirmala Devi, R |
| University: | University of Madras |
| Language: | Tamil |
| 4 | |
| Researcher: | Nirmala, G D |
| Guide: | Periakaruppan, Rm |
| University: | Madurai Kamaraj University |
| Language: | Tamil |
| 5 | |
| Researcher: | Nirmala Bai, J |
| Guide: | Subramanian, S V |
| University: | University of Madras |
| Language: | English |