| 1 | |
| Researcher: | Gopalakrishnan, A |
| Guide: | Ravindran, T K |
| University: | University of Kerala |
| Language: | English |
| 2 | |
| Researcher: | Gopalakrishnan, K P |
| Guide: | Sreenivasa Murthy, H V |
| University: | Bangalore University |
| Language: | English |
| 3 | Freedom movement in Tamilnadu with special reference to extremism |
| Researcher: | Gopalakrishnan, P B |
| Guide: | Rajayyan, K |
| University: | Madurai Kamaraj University |
| Language: | English |