| 21 | ||
| Researcher: | Gopalkrishnan Nair, G | |
| Guide: | Narayana Iyer, S | |
| University: | University of Kerala | |
| Language: | English | |
| 22 | ||
| Researcher: | Gopalkrishnan, P K | |
| University: | Indian Agricultural Research Institute | |
| Language: | English | |
| 23 | Beam shaping of sectoral electromagnetic horn antennas by metallic grills and flanges | |
| Researcher: | Gopalkrishnan Nair, K | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 24 | Language and politics in Tamilnadu, 1937-1965: The origin and development of anti-Hindi movement | |
| Researcher: | Gopalkrishnan, K V | |
| Guide: | Venkataratnam, A V | |
| University: | University of Mysore | |
| Language: | English | |
| 25 | Development of phonological acquisition strategies in a second language learner | |
| Researcher: | Raghavan, Radhika Gopalkrishnan | |
| Guide: | Pandey, P K S | |
| University: | Jawaharlal Nehru University, New Delhi | |
| Language: | English | |
| 26 | ||
| Researcher: | Gopalkrishnan Nair, M R | |
| University: | Indian Agricultural Research Institute | |
| Language: | English | |