| 1 | |
| Researcher: | Gupta, Usha |
| Guide: | Kapde, M V |
| University: | Jai Narain Vyas University |
| Language: | English |
| 2 | |
| Researcher: | Gupta, Ambika Prasad |
| University: | University of Lucknow |
| Language: | English |
| 3 | Marketing of agricultural produce in the State of Bihar since 1939 |
| Researcher: | Gupta, Kedar Ram |
| University: | Dr Bhimrao Ambedkar University |
| Language: | English |