| 1 | ||
| Researcher: | Ratna | |
| University: | University of Delhi | |
| Language: | English | |
| 2 | ||
| Researcher: | Ratna | |
| Guide: | Rao, M V R | |
| University: | University of Delhi | |
| Language: | English | |
| 3 | development of organisation theory and the search for organisational purpose | |
| Researcher: | Sen Ratna | |
| University: | University of Calcutta | |
| Language: | English | |
| 4 | ||
| Researcher: | Banerjee, Ratna | |
| Guide: | Pandey, A k | |
| University: | Rani Durgavati Vishwavidyalaya | |
| Language: | English | |
| 5 | Texonomy and pollen morphology of Indian helobiae with special reference of phylogeny | |
| Researcher: | Guha, Ratna | |
| Guide: | Roy, H | |
| University: | Vinoba Bhave University | |
| Language: | English | |
| 6 | ||
| Researcher: | Mukerji, Ratna | |
| University: | Rani Durgavati Vishwavidyalaya | |
| Language: | English | |
| 7 | ||
| Researcher: | Ghosh, Ratna | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 8 | ||
| Researcher: | Mukhopadhyay, Ratna | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 9 | Effects of certain environmental pollutants on mammalian chromosomes and their components | |
| Researcher: | Bandyopadhyay, Ratna | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 10 | ||
| Researcher: | Roy, Ratna | |
| University: | Ranchi University | |
| Language: | English | |
| 11 | ||
| Researcher: | Chakraborty, Ratna | |
| University: | Gauhati University | |
| Language: | English | |
| 12 | ||
| Researcher: | Ram Ratna | |
| Guide: | Singh, P | |
| University: | Dr Bhimrao Ambedkar University | |
| Language: | English | |
| 13 | ||
| Researcher: | Upadhyaya, Ratna | |
| Guide: | Upadhyaya, M D | |
| University: | University of Lucknow | |
| Language: | English | |
| 14 | Morphogeneic studies on Anethum graveloens L and Lobularia maritima Desv | |
| Researcher: | Khanna, Ratna | |
| Guide: | Cjopra, R N | |
| University: | University Of Delhi | |
| Language: | English | |
| 15 | ||
| Researcher: | Benerjee, Ratna | |
| Guide: | Pandey, A K | |
| University: | Rani Durgavati Vishwavidyalaya | |
| Language: | English | |
| 16 | ||
| Researcher: | Mishra, Ratna | |
| Guide: | Mishra, Durga Shankar | |
| University: | Rashtrasant Tukadoji Maharaj Nagpur University | |
| Language: | English | |
| 17 | ||
| Researcher: | ratna Kumari | |
| Guide: | Joseph, A | |
| University: | Andhra University | |
| Language: | English | |
| 18 | ||
| Researcher: | Ratna, S L | |
| University: | Indian Institute of Science | |
| Language: | English | |
| 19 | Evaluation of the performance of various solar energy collector systems | |
| Researcher: | Chaudhary, Ratna | |
| Guide: | Garg, H PJai Prakash | |
| University: | Indian Institute of Technology-Delhi | |
| Language: | English | |
| 20 | ||
| Researcher: | Datta, Ratna | |
| University: | University of Calcutta | |
| Language: | English | |