| 1 | |
| Researcher: | Nirmala, R |
| Guide: | Manavalan, A A |
| University: | University of Madras |
| Language: | Tamil |
| 2 | |
| Researcher: | Saksena, Nirmala |
| University: | University of Allahabad |
| Language: | Hindi |
| 3 | |
| Researcher: | Zaveri, Nirmala Lalbhai |
| University: | University of Mumbai |
| Language: | English |