| 1 | |
| Researcher: | Singh, Lekh Raj |
| University: | University of Allahabad |
| Language: | English |
| 2 | |
| Researcher: | Nigam, Raj Kumar |
| University: | Dr Bhimrao Ambedkar University |
| Language: | English |
| 3 | |
| Researcher: | Sharma, Raj Kishor |
| Guide: | Saxena, G P |
| University: | Jiwaji University |
| Language: | English |
| 4 | Geohraphical study of the population of Aurangabad District in Hihar |
| Researcher: | Singh, Ram Raj |
| University: | Magadh University |
| Language: | English |