I have completed 12th without math arts can i do mathematics in B.A.

Dear Sukhpreet, 

To get admission in D.A.V. College or in mathematics specialisation in any college, you shall have studied mathematics in class 10 and 12 from a recognised board of education. However, there are also numerous courses which you can pursue if you have not studied mathematics in class 12. The courses include BA (English Hons.), BA in Language, BA (Political Science Hons.), BA (Psychology Hons.), BA (Journalism and Mass Communication Hons.) and more. 

Hope this helps!

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