| 1 | |
| Researcher: | C, Suma Narayanan |
| Guide: | Kutty, K Gopalan |
| University: | University of Calicut |
| Language: | English |
| 2 | Aryans in South India with special reference to Namboodiris in Kerala |
| Researcher: | Namboodiri, P P Narayanan |
| Guide: | Ravindran, T K |
| University: | University of Kerala |
| Language: | English |
| 3 | |
| Researcher: | Veettil, Narayanan Meenakada Thazhathu |
| Guide: | Kurup, K K N |
| University: | University of Calicut |
| Language: | English |