| 1 | |
| Researcher: | Singh, Devendra |
| Guide: | Singh, Azad |
| University: | Maharshi Dayanand University |
| Language: | Hindi |
| 2 | Prachin Bharat mein Mantriparishad aur uska vayavharik swarup |
| Researcher: | Singh, Devendra Kumar |
| Guide: | Srivastava, Prashant |
| University: | University of Lucknow |
| Language: | English |