| 21 | Hydrogeological studies in Attur valley Salem district Tamil nadu | |
| Researcher: | Rengarajan R | |
| Guide: | Jayakumar D | |
| University: | Periyar University | |
| Language: | English | |
| Shodhganga | ||
| 22 | ||
| Researcher: | Jayagopal R | |
| Guide: | Jayakumar D | |
| University: | Periyar University | |
| Language: | English | |
| Shodhganga | ||
| 23 | ||
| Researcher: | Jambu N | |
| Guide: | Jayakumar D | |
| University: | Periyar University | |
| Language: | English | |
| Shodhganga | ||
| 24 | Bauxite deposit of Kollimalai hills Salem district Tamil nadu | |
| Researcher: | Balakumaran S | |
| Guide: | Jayakumar D | |
| University: | Periyar University | |
| Language: | English | |
| Shodhganga | ||
| 25 | Computer applications on Hydrogeological data of Sarabanga minor basin Salem district Tamil nadu | |
| Researcher: | Thirumurthi S | |
| Guide: | Jayakumar D | |
| University: | Periyar University | |
| Language: | English | |
| Shodhganga | ||
| 26 | ||
| Researcher: | Natesan T.P | |
| Guide: | Jayakumar D | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||