There is no specific preference for plugin development, it depends on what type of plugin’s one has to develop. Though few recommend custom post type, as it has few benefits compared to a custom database table.
We have a dedicated team of professionals who work on projects for Engineering, MCA, MBA and academics from different verticals. All these abstract can be used for major or minor projects. Students, freshers are most welcome to contact us and clarify their questions. Our brand Pasham Technologies will be very much helpful to help students to build their career with our project ideas.