| 1 | ||
| Researcher: | Purushothaman, C | |
| University: | University of Kerala | |
| Language: | English | |
| 2 | ||
| Researcher: | Sushma Purushothaman | |
| Guide: | Nandikesan Nair V | |
| University: | University of Kerala | |
| Shodhganga | ||
| 3 | Studies on Phosphate Solubilising and Phosphatase Producing Bacteria in Veli Lake | |
| Researcher: | Purushothaman C S | |
| Guide: | Dhevendaran K | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Purushothaman C | |
| Guide: | Venkateswarlu K | |
| University: | University of Kerala | |
| Language: | English | |
| Shodhganga | ||
| 5 | Critical edition of Ramacharitam with a historical introduction and lexicon | |
| Researcher: | Purushothaman Nair, M M | |
| Guide: | Narayana Pilllai, P K | |
| University: | University of Kerala | |
| Language: | English | |