Hello student yes Manali University offer admission in BCA course to student who didn't have Mathematics in class 12, arts stream student also apply for BCA course as it's offered to all stream students.

ELIGIBILITY - Candidates must passed or appearing class 12 in any stream with minimum 50 percent marks from a recognized board.

Admission is based on marks in previous qualifying examination.

For more details refer to the link mentioned below -

https://jaipur.manipal.edu/muj/admission/indian-students/who-can-apply.html

Feel free to comment if you've any doubt

Good luck