| 1 | ||
| Researcher: | Velappan, S | |
| Guide: | Aranganathan, T | |
| University: | Bharathiar University | |
| Language: | English | |
| Shodhganga | ||
| 2 | Finances of Tamil Nadu with special reference to public debt | |
| Researcher: | Velappan, D | |
| Guide: | Sundarsingh, John D K | |
| University: | Madurai Kamaraj University | |
| Language: | English | |
| 3 | Studies on the early life-history, metamorphosis, biology and fishery of some Indian marine fishes | |
| Researcher: | Velappan Nair, R | |
| University: | University of Madras | |
| Language: | English | |