| 1 | |
| Researcher: | Shambhu Nath |
| Guide: | Singh, Namwar |
| University: | Jawaharlal Nehru University |
| Language: | Hindi |
| 2 | historical study of indo ceylonese relationship circa 4th century BC 112 th century Ad |
| Researcher: | Mishra, Shambhu Nath |
| University: | Magadh University |
| Language: | English |