| 1 | |
| Researcher: | Raja, S |
| Guide: | Ganguly, T |
| University: | Indian Institute of Science |
| Language: | English |
| 2 | |
| Researcher: | Iyer, Raja |
| Guide: | Dixit, K R |
| University: | Rashtrasant Tukadoji Maharaj Nagpur University |
| 3 | approach to the efficiency of decisions in multiproduct firms |
| Researcher: | Raja A V |
| Guide: | Ramana, T V S |
| University: | Indian Institute of Technology-Kanpur |
| Language: | English |
| 4 | |
| Researcher: | Raja Gopala Rao, Akula |
| Guide: | Prabhakara Rao, J V |
| University: | Andhra University |
| Language: | English |