Can I change my course from B.Tech to BCA after first year and continue my second year with BCA?

Yes, you can change your course from B.Tech to BCA after the first year and continue your second year with BCA. However, it depends on the college's policies whether they allow such a change.

The key points are:

You can leave the B.Tech course and join a BCA program, there won't be any problem.

But it