| 21 | ||
| Researcher: | Thangavelu, A | |
| Guide: | Srinivasa Vallabhan, S V | |
| University: | Bharathidasan University | |
| Language: | English | |
| Shodhganga | ||
| 22 | Amino trimethylenephosphonic acid as corrosion inhibitor for carbon steel | |
| Researcher: | Thangavelu, C | |
| Guide: | Sundaravadivelu, M | |
| University: | The Gandhigram Rural Institute | |
| Language: | English | |
| Shodhganga | ||
| 23 | ||
| Researcher: | Thangavelu, Nirmala P | |
| Guide: | Sripathi, M K | |
| University: | Manonmaniam Sundaranar University | |
| Language: | English | |
| Shodhganga | ||
| 24 | ||
| Researcher: | Thangavelu, V P | |
| Guide: | Thyagarajan, L | |
| University: | Bharathidasan University | |
| Language: | English | |
| Shodhganga | ||
| 25 | The philosophy and teachings of saint arunagirinathar with special reference to kandar anubhuti | |
| Researcher: | Thangavelu, M K | |
| Guide: | Dr Varadarajanar, M | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||