| 1 | |
| Researcher: | Kurup, Gopinath |
| Guide: | Bhatnagar, O P |
| University: | Rashtrasant Tukadoji Maharaj Nagpur University |
| Language: | English |
| 2 | |
| Researcher: | Gopinath, A |
| Guide: | Gnanamurthy, T E |
| University: | University of Madras |
| Language: | Tamil |
| 3 | |
| Researcher: | Pathank, Gopinath |
| University: | Magadh University |
| Language: | Hindi |
| 4 | |
| Researcher: | Panda, Gopinath |
| Guide: | Goswami, S |
| University: | Jadavpur University |
| Language: | English |