| 1 | Geomorphology and agricultural development in Lunglei District, Mizoram |
| Researcher: | Rinawma, P |
| Guide: | Rai, R K |
| University: | North Eastern Hill University |
| Language: | English |
| 2 | geographical study of slums of Chattisgarh Towns: A case study of Raipur City |
| Researcher: | Khan, Jahangir |
| Guide: | Rai, R K |
| University: | North Eastern Hill University |
| Language: | English |
| 3 | |
| Researcher: | Sarma, Siddheswar |
| Guide: | Gopalakrishnan, R |
| University: | North Eastern Hill University |
| Language: | English |
| 4 | Geomorphology and rural settelements in Khasi and Jaintia Hills, Meghalaya |
| Researcher: | Panda, Prakash Ch |
| Guide: | Rai, R K |
| University: | North Eastern Hill University |
| Language: | English |