| 1 | ||
| Researcher: | Ashok Kumar | |
| Guide: | Varma, A K | |
| University: | Jawaharlal Nehru University | |
| Language: | English | |
| 2 | ||
| Researcher: | Ashok Kumar | |
| Guide: | Mittal, H S | |
| University: | Jawaharlal Nehru University | |
| Language: | English | |
| 3 | ||
| Researcher: | Ashok Kumar | |
| Guide: | Singh, Dilbagh | |
| University: | Jawaharlal Nehru University | |
| Language: | English | |
| Shodhganga | ||