Yeah! for MCA there are no boundation for stream. You can do MCA with any graduate degree provided you should have atleast 50 % in your graduation with Mathematics as one of your subjects.
Top MCA entrance exams are:
To know more about the entrance exams visit the link below:
https://it.careers360.com/articles/top-7-mca-entrance-exams-in-india
I hope my answer helps. All the very best for your future endeavors!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile