| 1 | Food problem, food grain economy and food grain imports of India |
| Researcher: | Ratna Kumari, Bandila |
| University: | Andhra University |
| Language: | Arabic |
| 2 | |
| Researcher: | G, Ratna Vani |
| Guide: | Bose, B P C |
| University: | Acharya Nagarjuna University, Guntur |
| Language: | Arabic |