| 1 | Characterisation and lime requirement of acidic soils of Kumaon Hills |
| Researcher: | Singh, Ratan |
| Guide: | Singh, D V |
| University: | Dr Bhimrao Ambedkar University |
| Language: | English |
| 2 | |
| Researcher: | Singh, Ratan Jeet |
| Guide: | Monga, I P SBhasin, M K |
| University: | University Of Delhi |
| Language: | English |