| 1 | ||
| Researcher: | Raju, N | |
| Guide: | Swaminathan, S | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Ranga Raju, N | |
| University: | Andhra University | |
| Language: | English | |
| 3 | Design of roof bolting systems: Investigations in Indian mines | |
| Researcher: | Raju, N M | |
| Guide: | Ghose, A K | |
| University: | Indian School of Mines | |
| Language: | English | |
| 4 | ||
| Researcher: | Sri Rama Raju, N | |
| University: | Andhra University | |
| Language: | Telugu | |