| 1 | |
| Researcher: | Singh, Hira Lal |
| Guide: | Manager Prasad |
| University: | Magadh University |
| Language: | English |
| 2 | Land revenue system and administration in Sagar District, 1861-1917 |
| Researcher: | Prajapati, Hira Lal |
| Guide: | Tripathi, Girija Shankar |
| University: | Dr Harisingh Gour Vishwavidyalaya |
| Language: | English |
| 3 | |
| Researcher: | Gupta, Hira Lal |
| University: | Vikram University |
| Language: | English |