| 1 | |
| Researcher: | Narendra Kumar |
| University: | University of Delhi |
| Language: | Hindi |
| 2 | |
| Researcher: | Jaiswal, Narendra Kumar |
| University: | University Of Delhi |
| Language: | English |
| 3 | linguistic study of speech defects in stammering based on observes own speech habits |
| Researcher: | Sinha, Narendra Kumar |
| University: | Dr Bhimrao Ambedkar University |
| Language: | English |