| 1 | Lucknow vishwavidyalaya mein madhyam ke roop mein Hindi bhasha: Ek adhyayan |
| Researcher: | Singh, Rajendra kumar |
| Guide: | Singh, T N |
| University: | University of Lucknow |
| Language: | Hindi |
| 2 | Anekantvad aur paschatya vyavhariktavad: Ek tulnatmak adhyayan |
| Researcher: | Singh, Rajendra Kumar |
| Guide: | Prasad, Braj Kishore |
| University: | Magadh University |
| Language: | Hindi |
| 3 | |
| Researcher: | Singh, Rajendra Kumar |
| University: | Banaras Hindu University |
| Language: | Hindi |