| 1 | ||
| Researcher: | Bhattacharyya, Jagat Ram | |
| Guide: | Bandyopadhyay, Satya Ranjan | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 2 | ||
| Researcher: | Mishra, Vishnu Deo | |
| University: | Banaras Hindu University | |
| Language: | Hindi | |
| 3 | linguistic study of Nagpuriya: A lingui franca of Chhotanagpur of Bihar | |
| Researcher: | Srivastava, Surendraprasad | |
| University: | University of Calcutta | |
| Language: | English | |