| 301 | ||
| Researcher: | Vijay Ratna Kumar J | |
| Guide: | Govindaraju P | |
| University: | Manonmaniam Sundaranar University | |
| Language: | English | |
| Shodhganga | ||
| 302 | ||
| Researcher: | MR.Challa Ratna Reddy | |
| Guide: | Dr.Ahmed Kamal | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 303 | ||
| Researcher: | Nelaturi, Jesu Ratna Kumar | |
| Guide: | Reddy, Y R Haragopal | |
| University: | Acharya Nagarjuna University | |
| Language: | English | |
| Shodhganga | ||
| 304 | Written English of Telugu - Speaking students - A study in error analysis | |
| Researcher: | Mani, K Ratna Shiela | |
| Guide: | Murthy, V Rama | |
| University: | Acharya Nagarjuna University | |
| Language: | English | |
| Shodhganga | ||
| 305 | ||
| Researcher: | Ratna Successena Japan Pulla | |
| Guide: | E.V. PADMAJA | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| Shodhganga | ||
| 306 | ||
| Researcher: | Rao Murala, Ratna Leela | |
| Guide: | E. Madhavi | |
| University: | Acharya Nagarjuna University, Guntur | |
| Language: | English | |
| 307 | ||
| Researcher: | Manchala, Johan Ratna Kanth Babu | |
| Guide: | Dhananjaya Rao, E N | |
| University: | Andhra University | |
| Language: | English | |
| 308 | ||
| Researcher: | Manchala, John Ratna Kanth Babu | |
| Guide: | Dhananjaya Rao, E N | |
| University: | Andhra University | |
| Language: | English | |
| 309 | ||
| Researcher: | Ratna Babu, G H V | |
| Guide: | Lavania, M L | |
| University: | Govind Ballabh Pant University of Agricultural and Technology | |
| Language: | English | |
| 310 | ||
| Researcher: | Dasari, Venkata Ratna Ravi Kumar | |
| Guide: | Sri Rami Reddy, D | |
| University: | Andhra University | |
| Language: | English | |
| 311 | ||
| Researcher: | Pandey, Ashwariya Ratna ( | |
| Guide: | Purwar, Rajendra Kumar ( ) | |
| University: | Bundelkhand University | |
| Language: | Hindi | |
| Shodhganga | ||