| 1 | |
| Researcher: | Gopalakrishnan, S |
| Guide: | Panchamukhi, P R |
| University: | University of Mumbai |
| Language: | English |
| 2 | |
| Researcher: | Gopalakrishnan, Devi |
| University: | Jawaharlal Nehru University |
| Language: | English |
| 3 | Effect of potassium nutrition on the yield and quality of cassava, Manihot esculenta Crantz |
| Researcher: | Gopalakrishnan Nair, P |
| Guide: | Aiyer, R S |
| University: | Kerala Agricultural University |
| Language: | English |
| 4 | Freedom movement in Tamilnadu with special reference to extremism |
| Researcher: | Gopalakrishnan, P B |
| Guide: | Rajayyan, K |
| University: | Madurai Kamaraj University |
| Language: | English |
| 5 | |
| Researcher: | Gopalakrishnan Nair, C K |
| Guide: | Nair, C G R |
| University: | University of Kerala |
| Language: | English |