| 1 | |
| Researcher: | Pareek, Satya Narain |
| Guide: | Singh, R P |
| University: | Ch Charan Singh University |
| Language: | English |
| 2 | administrative structure of Northern India, 323 B C upto 185 B C |
| Researcher: | Singh, Satya Narain |
| Guide: | Mishra, Y K |
| University: | Magadh University |
| Language: | English |
| 3 | |
| Researcher: | Mishra, Satya Narain |
| Guide: | Tiwari, R C |
| University: | Deendayal Upadhyay Gorakhpur University |
| Language: | Hindi |