| 1 | |
| Researcher: | Roy, Ratna |
| University: | Ranchi University |
| Language: | English |
| 2 | |
| Researcher: | Upadhyaya, Ratna |
| Guide: | Upadhyaya, M D |
| University: | University of Lucknow |
| Language: | English |
| 3 | |
| Researcher: | Ratna, S L |
| University: | Indian Institute of Science |
| Language: | English |
| 4 | |
| Researcher: | Sarma, Ratna Dev |
| University: | University of Delhi |
| Language: | English |
| 5 | |
| Researcher: | Sthapit, Yoga Ratna |
| Guide: | Dutta, Sunil |
| University: | University of Lucknow |
| Language: | English |
| 6 | |
| Researcher: | Sharma, Ratna Dev |
| Guide: | Sharma, Ratna Dev |
| University: | University of Delhi |
| Language: | English |