| 1 | |
| Researcher: | Siha, Mithilesh Kumar |
| Guide: | Sircar, S R |
| University: | Patna University |
| Language: | English |
| 2 | |
| Researcher: | Sharma, Udai Shanker |
| Guide: | Jha, D |
| University: | Patna University |
| Language: | English |
| 3 | |
| Researcher: | Singh, Deo Sharan |
| Guide: | Sharma, Rajendra |
| University: | Patna University |
| Language: | English |