| Aeronautical Engineering |
Agriculture & Food Engineering |
| Automobile Engineering |
Bio Medical Engineering |
| Biotechnology Engineering |
Chemical Engineering |
| Civil Engineering |
Computer Science & Engineering |
| Earthquake Engineering |
Electrical Engineering |
| Electronics & Communications Engineering |
Electronics Engineering |
| Engineering Chemistry |
Engineering Management |
| Engineering Mathematics |
Engineering Physics |
| Engineering Sciences |
Environmental Engineering |
| Fire Engineering |
Genetic Engineering |
| Industrial and Production Engineering |
Industrial Engineering |
| Information Technology Engineering |
Instrumentation Engineering |
| Food Quality and Safety |
Management of Waste / By-Product in Food Processing |
| Manufacturing Engineering |
Marine Engineering |
| Material Engineering |
Mechanical Engineering |
| Metallurgical Engineering |
Mining Engineering |
| Network Engineering |
Ocean Engineering |
| Production Engineering |
Safety Engineering |
| Software Engineering |
Structural Engineering |
| Systems Engineering |
Telecommunication Engineering |
| Textile Engineering |
Transportation Engineering |
IJRPR is an open access journal, and articles are distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License (CC BY-NC-SA 4.0).