| 1 | Hydrogeochemical Studies Of Grounwater In Periyar District Tamilnadu India |
| Researcher: | Chidambaram, S |
| Guide: | Ramanathan, A L |
| University: | Annamalai University |
| 2 | Cyto-Norphological And Cyto-Taxonomical Investigations In South Indian Senecioneae Of Asteraceae |
| Researcher: | Chidambaram, A L |
| Guide: | Subramniyam, D |
| University: | Annamalai University |