| 1 | ||
| Researcher: | Balakrishnan, N | |
| Guide: | Manickam, S | |
| University: | Madurai Kamaraj University | |
| Language: | English | |
| 2 | ||
| Researcher: | Balakrishnan, N | |
| Guide: | Ramakrishna, S | |
| University: | Indian Institute of Science | |
| Language: | English | |
| 3 | ||
| Researcher: | Balakrishnan, N | |
| Guide: | Panicker, K N | |
| University: | Pondicherry University | |
| Language: | English | |
| Shodhganga | ||
| 4 | ||
| Researcher: | Balakrishnan, N | |
| Guide: | Nagu, R K | |
| University: | University of Madras | |
| Language: | Tamil | |
| 5 | ||
| Researcher: | Balakrishnan, N | |
| Guide: | Panicker, K N | |
| University: | Pondicherry University | |
| Language: | English | |
| Shodhganga | ||
| 6 | ||
| Researcher: | Balakrishnan, N | |
| Guide: | Raj, S John Michel | |
| University: | Bharathiar University | |
| Language: | English | |
| Shodhganga | ||
| 7 | Legal aspects of prison administration and treatment of prisoners | |
| Researcher: | Nair, Balakrishnan N S | |
| Guide: | Chandrasekharan Pillai, N K | |
| University: | Cochin University of Science and Technology | |
| Language: | English | |
| 8 | ||
| Researcher: | Balakrishnan, N C | |
| Guide: | Das, V Mukunda | |
| University: | Mahatma Gandhi University | |
| Language: | English | |
| Shodhganga | ||
| 9 | Flora of jowai and vicinity united Khasi Jaintia hills district Meghalaya Assam - Volume 1 | |
| Researcher: | Balakrishnan, N P | |
| Guide: | n.d. | |
| University: | Gauhati University | |
| Language: | English | |
| Shodhganga | ||
| 10 | Flora of jowai and vicinity united Khasi Jaintia hills district Meghalaya Assam - Volume 2 | |
| Researcher: | Balakrishnan, N P | |
| Guide: | n.d. | |
| University: | Gauhati University | |
| Language: | English | |
| Shodhganga | ||
| 11 | Flora of Jowai and vicinity united Khasi and Jaintia hills district Meghalaya Assam angiosperms only | |
| Researcher: | Balakrishnan, N P | |
| Guide: | Rao, A S | |
| University: | Gauhati University | |
| Language: | English | |
| Shodhganga | ||