Hello Neha,
According to the last year's admission brochure of Mount Carmel College, Banglore, maths is not compulsory for B.Com(H). These were the eligibility requirement: successful completion of 10+2 qualifying exam and the student should have studied both Business Studies and Accountancy.
For more details, kindly visit the following link:
https://www.careers360.com/colleges/mount-carmel-college-bangalore
Hope this helps you out, feel free to reach out for more info.
Best wishes for your future.
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