Hello Aspirant,Hope you are doing well

YES,you can choose Bsc (Hons.) Mathematics in Delhi university.There will be a lot of career opputunities were there in view of this course.

For the detailed information regarding the Course and syllabus visit thus

http://www.du.ac.in/du/uploads/Spotlights/CBCS%20BSc(Hons)Maths.pdf

Hope this helps you

ALL THE BEST