I think you are having any sort of miscommunication. If the KMAT scores are accepted by the colleges you have choose, then you will find the options of this colleges in the counselling of KMAT as well. Also , you should visit the official website of the college you want to take admission and see what examination does it consider. If its written KMAT, then visit the campus and get it discussed because if its declared then the college don't do such things.

To know more about KMAT visit the link below:

https://www.careers360.com/exams/kmat

To know more about MCA visit the link below:

https://www.careers360.com/courses/mca-master-of-computer-applications

I hope this answer helps. All the very best for your future endeavors!