| 1 | ||
| Researcher: | Ramakrishnan, R | |
| Guide: | Veerathappa, K | |
| University: | Bangalore University | |
| Language: | English | |
| 2 | ||
| Researcher: | Ramakrishnan, R T | |
| Guide: | Pandit, L K | |
| University: | University of Mumbai | |
| Language: | English | |
| 3 | ||
| Researcher: | Ramakrishnan, R | |
| Guide: | Vincent, X Kunnukkasseril | |
| University: | Indian Institute of Technology-madras | |
| Language: | English | |
| 4 | Studies on photochlorination in a tubular flow reactor (posthumous) | |
| Researcher: | Ramakrishnan, R | |
| Guide: | Subramaniam, N | |
| University: | Indian Institute of Technology Madras | |
| Language: | English | |
| 5 | ||
| Researcher: | Ramakrishnan, R | |
| University: | Osmania University | |
| Language: | English | |
| 6 | ||
| Researcher: | Ramakrishnan, R | |
| Guide: | Perumal.R | |
| University: | Alagappa University | |
| Language: | English | |
| Shodhganga | ||
| 7 | ||
| Researcher: | Ramakrishnan, R | |
| Guide: | Ramakrishnan, R | |
| University: | Bharathiar University | |
| Language: | English | |
| Shodhganga | ||
| 8 | ||
| Researcher: | Ramakrishnan, R | |
| Guide: | Mohamed, H Peeru | |
| University: | Bharathiar University | |
| Language: | English | |
| Shodhganga | ||
| 9 | ||
| Researcher: | Ramakrishnan R | |
| Guide: | Namasivayam A | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||
| 10 | ||
| Researcher: | Ramakrishnan R | |
| Guide: | Radhakrishna S | |
| University: | University of Madras | |
| Language: | English | |
| Shodhganga | ||