| 81 | ||
| Researcher: | Singh, Ravindra Nath | |
| Guide: | Singh, Mayashankar | |
| University: | V. B. S. Purvanchal University | |
| Shodhganga | ||
| 82 | ||
| Researcher: | Sastry, Garikipati Ravindra Nath | |
| University: | University of Mumbai | |
| Language: | English | |
| 83 | Plantchemistry with special reference to the chemical examination of indigenous plants | |
| Researcher: | Chauhan, Ravindra Nath Singh | |
| University: | University of Allahabad | |
| Language: | English | |