| 1 | ||
| Researcher: | Ratna, M | |
| University: | University of Mysore | |
| Language: | English | |
| 2 | Dualism and investment patterns: An analysis of regional contrasts | |
| Researcher: | Ratna, Kanchan | |
| University: | University of Delhi | |
| Language: | English | |
| 3 | ||
| Researcher: | Ratna, Prakash | |
| Guide: | Dahiya, Yudhvir Singh | |
| University: | Maharshi Dayanand University | |
| Language: | English | |
| 4 | ||
| Researcher: | Banerji, Ratna | |
| Guide: | Singh, B K | |
| University: | Deendayal Upadhyay Gorakhpur University | |
| Language: | English | |
| 5 | dualism and investment patterns: An analysis of regional contrasts | |
| Researcher: | Ratna, Kanchan | |
| Guide: | Ratna, Kanchan | |
| University: | University of Delhi | |
| Language: | English | |
| 6 | Food problem, food grain economy and food grain imports of India | |
| Researcher: | Ratna Kumari, Bandila | |
| University: | Andhra University | |
| Language: | Arabic | |
| 7 | ||
| Researcher: | Ratna Mary, P | |
| Guide: | Sambasiva Rao, B | |
| University: | Acharya Nagarjuna University | |
| Language: | English | |
| Shodhganga | ||
| 8 | ||
| Researcher: | Pamula, Ratna Mary | |
| Guide: | Rao, B Sambasiva | |
| University: | Acharya Nagarjuna University | |
| Language: | English | |