| 21 | ||
| Researcher: | Patra, Manabendra | |
| Guide: | Sinha, B K | |
| University: | Sambalpur University | |
| Language: | English | |
| Shodhganga | ||
| 22 | Impact of coal mining on the environment a study of IB valley | |
| Researcher: | Sahu, Ditikrushna | |
| Guide: | Sinha, B K | |
| University: | Sambalpur University | |
| Language: | English | |
| Shodhganga | ||
| 23 | A study of water pollution in the river Brahmani at Rourkela industrial complex | |
| Researcher: | Panda, Rehas Bihari | |
| Guide: | Sinha, B K | |
| University: | Sambalpur University | |
| Language: | English | |
| Shodhganga | ||
| 24 | ||
| Researcher: | Panigrahi, Aswini Kumar | |
| Guide: | Sinha, B K | |
| University: | Sambalpur University | |
| Language: | English | |
| Shodhganga | ||