| 1 | Limnological studies on Buckingham Canal, Madras, India with special reference to sewage pollution  | 
| Researcher: | Ravichandran, S | 
| University: | University of Madras | 
| Language: | English | 
| 2 | |
| Researcher: | Ravichandran, S | 
| Guide: | Kannan, V | 
| University: | University of Hyderabad | 
| Language: | English | 
| 3 | |
| Researcher: | Ravichandran, V | 
| University: | University of Madras | 
| Language: | English | 
| 4 | Experimental studies on radio wave communication using equatorial sporadic and spread F regions  | 
| Researcher: | Ravichandran, C | 
| Guide: | Krishnamurthy, V | 
| University: | Anna University | 
| Language: | English |