| 1 | |
| Researcher: | Madhukar, Rajeshwar Prasad | 
| Guide: | De, B | 
| University: | Patna University | 
| Language: | English | 
| 2 | study of the employment exchange service in Bihar with special reference to vocational studies | 
| Researcher: | Sinha, Lekha | 
| Guide: | De, B | 
| University: | Patna University | 
| Language: | English |