| Researcher: | Swatantra, K |
| Guide: | Raghunadha Rao, P |
| University: | Sri Venkateswara University |
| Language: | English |
| 2 | |
| Researcher: | Gajendra Reddy, K |
| Guide: | Raghunadha Rao, P |
| University: | Sri Venkateswara University |
| Language: | English |
| 3 | Zamindars of Guntur District and East India Company (1788-1857) |
| Researcher: | Raghuram, K |
| Guide: | Raghunadha Rao, P |
| University: | Sri Venkateswara University |
| Language: | English |
| 4 | Historical Study on Public Health in Rayalaseema (1858-1820) |
| Researcher: | Najeer Ahmed Khan, M |
| Guide: | Raghunadha Rao, P |
| University: | Sri Venkateswara University |
| Language: | English |