| 1 | |
| Researcher: | Patel, Hiralal |
| Guide: | Yadav, Ravi Shanker |
| University: | Guru Ghasidas University |
| Language: | English |
| 2 | study of frustration among primary school teachers in relation to certain variables |
| Researcher: | Patel, Hiralal Sendhabhai |
| Guide: | Bhatt, J M |
| University: | Sardar Patel University |
| Language: | English |
| 3 | Power factor improvement and harmonic reduction in thyristor converters |
| Researcher: | Patel, Hiralal K |
| Guide: | Dubey, G K |
| University: | Indian Institute of Technology-Kanpur |
| Language: | English |