| 1 | |
| Researcher: | Gope, Indra |
| Guide: | Singh, Akhileshwar Prasad |
| University: | Ranchi University |
| Language: | English |
| 2 | |
| Researcher: | Sadhu, Dhirendra Nath |
| Guide: | Shafi, S M |
| University: | Ranchi University |
| Language: | English |
| 3 | study on clay deposit of Bagru Pat Area, Lohardaga district Bihar |
| Researcher: | Julka, Anant Chandra |
| University: | Ranchi University |
| Language: | English |