| 1 | |
| Researcher: | Usha Kumari |
| Guide: | Yadav, C R |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | |
| Researcher: | Srivastava, Usha Kumari |
| Guide: | Tewary, Bhola |
| University: | University of Delhi |
| Language: | Hindi |
| 3 | Sursagar mein agat tadbhav shabdavali ka bhasha vaigyanik adhyayan |
| Researcher: | Singh, Usha Kumari |
| Guide: | Pandy, B M |
| University: | Magadh University |
| Language: | Hindi |