Hey,
The eligibility of MCA course is any graduate who had maths at 10+2 (https://ask.careerguide.com/t/what-are-my-career-options-after-12-pcm/7179/4) or in graduation level.
Since you are already into BCA which is one level down to an MCA, YOU ARE DEFINITELY eligibile to pursue MCA course in future. Not having maths at 10+2 level is not a problem since your graduation will supercede your 10+2 (https://ask.careerguide.com/t/what-are-my-career-options-after-12-pcm/7179/4) marks criteria.
Here are some top MCA colleges in INDIA :
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