| 1 | Prachin Bhartiya krishi evam tajjanita samasyaon ka adhyayan |
| Researcher: | Surendra Kumar |
| Guide: | Satarthi, H C |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |
| 2 | Pracheen Bhartiya krishi evam tajjanit samasyaon ka adhyayan 200 B C to 300 A D |
| Researcher: | Singh, Prem Kumar |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |
| 3 | Trading communities in early Ancient India, from earliest times to 300 A D Bihar |
| Researcher: | Misra, Arun Kumar |
| Guide: | Satyarthi, H C |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |
| 4 | Inter-state and international relations in Ancient India during the seventh century A D |
| Researcher: | Sinha, Yogesh |
| Guide: | Verma, Ravi |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |
| 5 | |
| Researcher: | Mishra, Yugal Kishore |
| Guide: | Dwivedi, Hp |
| University: | Babasaheb Bhimrao Ambedkar Bihar University |
| Language: | English |