| 1 | ||
| Researcher: | Nagendra, R | |
| Guide: | Bhimasankaram, V L S | |
| University: | Osmania University | |
| Language: | English | |
| 2 | ||
| Researcher: | Bora, NagendraNath | |
| Guide: | VenkataRao, V | |
| University: | Gauhati University | |
| Language: | English | |
| Shodhganga | ||
| 3 | ||
| Researcher: | Kamlesh, Nagendra Singh | |
| University: | Awadhesh Pratap Singh University | |
| Language: | English | |
| 4 | ||
| Researcher: | Sharma, Nagendra Kumar | |
| Guide: | Mishra, Shobha Kant | |
| University: | Patna University | |
| Language: | English | |