| 1 | Impact of sand mining on river health: a case study of Kynshi river, West Khasi hills, Meghalaya |
| Researcher: | Nongsiej, Preciouswell |
| Guide: | Nayak, D, K. |
| University: | North-Eastern Hill University, Shillong |
| Language: | English |
| 2 | Impact of the widening of the Jorabat-Umiam national highway-40 on local environment and responses |
| Researcher: | Nongsiej, Preciouswell |
| Guide: | Nayak, D. K.Syiemliesh, H J. |
| University: | North-Eastern Hill University, Shillong |
| Language: | English |