| 101 | ||
| Researcher: | Deb, Ratna | |
| Guide: | Shukla, J P | |
| University: | Rani Durgavati Vishwavidyalaya | |
| Language: | Hindi | |
| 102 | ||
| Researcher: | Chattopadhyay, Ratna | |
| Guide: | Choudhury, D KMaity, C R | |
| University: | University of Burdwan | |
| Language: | English | |
| 103 | ||
| Researcher: | Singh, Ratna | |
| University: | Banaras Hindu University | |
| Language: | Hindi | |
| 104 | ||
| Researcher: | Tikoo, Ratna | |
| Guide: | Kumar, Satish | |
| University: | Jawaharlal Nehru University | |
| Language: | English | |
| 105 | ||
| Researcher: | Sircar, Ratna | |
| University: | All India Institute of Medical Sciences | |
| Language: | English | |
| 106 | ||
| Researcher: | Mishra, Ratna | |
| Guide: | Mishra, Durga Shankar | |
| University: | Rashtrasant Tukadoji Maharaj Nagpur University | |
| Language: | Hindi | |
| 107 | dualism and investment patterns: An analysis of regional contrasts | |
| Researcher: | Ratna, Kanchan | |
| Guide: | Ratna, Kanchan | |
| University: | University of Delhi | |
| Language: | English | |
| 108 | Study of pH of amniotic fluid in late pregnancy and labour and its correlation with foetal outcome | |
| Researcher: | Das, Ratna | |
| Guide: | Madan, P | |
| University: | University of Delhi | |
| Language: | English | |
| 109 | ||
| Researcher: | Ratna Bhuyan | |
| Guide: | M.P. Bezbaruah | |
| University: | Gauhati University | |
| Language: | English | |
| Shodhganga | ||
| 110 | Genetic variation and hormonal regulation for drought resistance traits in Rice Oryza Sativa L | |
| Researcher: | Roy, Ratna | |
| Guide: | Mazumder, P B; Sharma | |
| University: | Assam University | |
| Language: | English | |
| Shodhganga | ||
| 111 | ||
| Researcher: | Vadra, Ratna | |
| Guide: | Mittal, Ashok | |
| University: | Aligarh Muslim University | |
| Language: | English | |
| Shodhganga | ||
| 112 | ||
| Researcher: | Verma, Ratna | |
| Guide: | Verma, Ratna | |
| University: | University of Delhi | |
| Language: | English | |
| 113 | ||
| Researcher: | Ratna Jyoti | |
| Guide: | Gupt, Vidya Nath | |
| University: | University of Jammu | |
| Language: | English | |
| 114 | ||
| Researcher: | Ramchandani, Ratna | |
| University: | University of Rajasthan | |
| Language: | English | |
| 115 | Studies on pyridobenzodiaxepine and dibenzodiaxepine derivatives | |
| Researcher: | Rawat, Ratna | |
| University: | University of Rajasthan | |
| Language: | English | |
| 116 | Organic and organometallic derivatives of phosphonate and phosphate ester | |
| Researcher: | Parwar, Ratna | |
| Guide: | Nagar, P N | |
| University: | University of Rajasthan | |
| Language: | English | |
| 117 | Synthetic and photochemical studies via 1,4 quinones and indol 2,3 diones | |
| Researcher: | Ratna, DE | |
| Guide: | Mukherjee, Tulsi | |
| University: | University of Rajasthan | |
| Language: | English | |
| 118 | Narayani Mangal: ekti lokayata kabya o ek pray: bismrita anchalik debi | |
| Researcher: | Mandal, Ratna | |
| Guide: | Naskar, Sanat Kumar | |
| University: | University of Calcutta, Kolkata | |
| Language: | Bengali | |
| 119 | Land revenue administration in Cachar during british rule 1832 1900 | |
| Researcher: | Dey, Ratna | |
| Guide: | Barpujari, S K | |
| University: | Gauhati University | |
| Language: | English | |
| Shodhganga | ||
| 120 | ||
| Researcher: | Ratna Pal | |
| Guide: | Narasimha Murthy, H. N. | |
| University: | University of Mysore | |
| Language: | English | |
| Shodhganga | ||