What should I know about project ideas before joining an MCA?

A strong MCA project should solve a clear problem and demonstrate real technical work. A student can strengthen it with proper documentation, testing, source control and a working demonstration. Students can judge their progress in project ideas by solving problems independently instead of depending entirely on guided tutorials. This point is specifically relevant to the project ideas aspect of MCA study. For this specific question about project ideas, the practical takeaway is to relate the concept to your own MCA learning goal. In other words, this guidance addresses: What should I know about project ideas before joining an MCA?