Hey there
Yes you can do BCA even though you did not take Maths in your 12th. There is no restriction for that but BCA has algorithm and coding and thus students with maths have an edge over other.
Check the link for detailed information
https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/bca-bachelor-of-computer-applications/amp&ved=2ahUKEwiUiJGij67pAhV7IbcAHWXRC40QFjAAegQIBhAB&usg=AOvVaw2Ih_fj2lSSaGglUsE6434-&cf=1
Good luck
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