| 21 | ||
| Researcher: | Ratnam, Kondepudy Venkata | |
| University: | Indian Institute of Technology | |
| Language: | English | |
| 22 | evaluation of the working of lead bank scheme in Guntur district | |
| Researcher: | Vijaya Ratnam, N | |
| University: | Acharya Nagarjuna University | |
| Language: | English | |
| 23 | Studies on the colour centres and allied properties of calcium fluoride | |
| Researcher: | Ratnam, Vangaveti Venkata | |
| University: | Indian Institute of Technology | |
| Language: | English | |
| 24 | ||
| Researcher: | Venkata Ratnam, G S | |
| Guide: | Varma, Y B G | |
| University: | Indian Institute of Technology-Madras | |
| Language: | English | |
| 25 | ||
| Researcher: | Vekata Ratnam, G | |
| Guide: | Suprasannacharya, K | |
| University: | Kakatiya University | |
| Language: | English | |
| 26 | Studies in the formation of heterocyclic rings from O-phenylene diamines and aromatic aldehydes | |
| Researcher: | Ratnam, Ghengalvala Venkat | |
| University: | Osmania University | |
| Language: | English | |
| 27 | ||
| Researcher: | Kesametty, Venkata Ratnam | |
| Guide: | Shyama Sundar, B | |
| University: | Acharya Nagarjuna University | |
| Language: | English | |
| Shodhganga | ||
| 28 | Investigation and development of ionospheric time delay model using GPS and crabex signals | |
| Researcher: | Devanaboyina, V Ratnam | |
| Guide: | Sarma, A DRao, P V D Somasekhar | |
| University: | Jawaharlal Nehru Technological University | |
| Language: | English | |
| 29 | dalit movement in Andhra Pradesh: A study of political consciousness and identity | |
| Researcher: | Konda, Yesu Ratnam | |
| Guide: | Hasan, Zoya | |
| University: | Jawaharlal Nehru University | |
| Language: | English | |
| 30 | Central Doctrines of early Budhism: A study in ethics and soteriology | |
| Researcher: | Raja Ratnam, M | |
| University: | Andhra University | |
| Language: | English | |
| 31 | concept of duhkha in Indian philosophy with special reference to early Buddhism | |
| Researcher: | Ratnam, Ram Kumar | |
| Guide: | Ramaiah, C | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| 32 | Study in the chemistry of open chain analogs Ressiert compounds. | |
| Researcher: | Ratnam, K Rakesh | |
| Guide: | Iyer, R P | |
| University: | University of Mumbai | |
| Language: | English | |
| 33 | Uncatalysed and catalysed bromate oscillator and their perturbation by gamma irradiation | |
| Researcher: | Krishna Ratnam, M | |
| Guide: | Ramaswamy, R | |
| University: | Indian Institute of Technology-madras | |
| Language: | English | |
| 34 | Effects of drugs on the gaba shunt and related enzymes in rat brain | |
| Researcher: | Prakash, Madhavi Ratnam | |
| Guide: | Baquer, Nazma Zaheer | |
| University: | Jawaharlal Nehru University | |
| Language: | English | |
| 35 | Some economic aspects of agricultural production decisions: Role of education | |
| Researcher: | Nadar, C Ratnam | |
| Guide: | Nalla Gounden, A M | |
| University: | University of Madras | |
| Language: | English | |
| 36 | Studies in thr formation of Heterocyclic Rings from o-Phenylenediamines and Aromatic Aldehydes | |
| Researcher: | Ratnam, C V | |
| Guide: | Subba Rao, N V | |
| University: | Osmania University | |
| Language: | English | |
| 37 | Chemical and biological studies on the flavonoids of Tephrosia fulvinervs and T procumbens | |
| Researcher: | Ratnam, Garigapati Venkata | |
| University: | Andhra University | |
| Language: | English | |
| 38 | study of some aspects of the Human Factor in Visakhapatnam Port | |
| Researcher: | Venkata Ratnam, C S | |
| University: | Andhra University | |
| Language: | English | |
| 39 | Drought Climatology of Karnataka with special Reference to Agriculture | |
| Researcher: | Prabhakara Ratnam, B | |
| University: | Andhra University | |
| Language: | English | |
| 40 | ||
| Researcher: | Venkata Ratnam, G | |
| Guide: | Suprasannacharya, K | |
| University: | Kakatiya University | |
| Language: | English | |