Would it be okay if I do BCA from a non-reputed college and then do MCA from a reputed one?

Yes, your PG degree is important for best job, so pursuing BCA from low college will not disturb you.

The number of institutes offering the BCA course is overwhelming. However, not all of them can boast about quality. That why, you need a reputed institute like the Lovely Professional University to study such advanced course. The institute has an amazing infrastructure with experienced faculty givin

Yes, infact most people do like this. In addition, you can save money by doing this. At the placement time, employer will consider your skills and PG college's reputation. I would also suggest you to select a college with best placements for Masters.

Yes, it is fine. Your MCA will be considered.

Yes, it will be okay if you can't pursue your Bachelors course from a reputed college but to match your study in Masters, you must study hard in your Bachelors.

Yes, you can do this. After MCA, you will have good career options and more opportunities as compared to BCA. But, you should pursue MCA from a good and reputed institute so that you can get a good start.