| 1 | |
| Researcher: | Lal, Ravindra Kumar |
| Guide: | Sinha, B K |
| University: | Patna University |
| Language: | English |
| 2 | Some problems connected with the numerical range and spectral proctral properties of an operator |
| Researcher: | Pandey, Ravindra Nath |
| Guide: | Jha, T K |
| University: | Patna University |
| Language: | English |